Answer:
a. 4a−8b+4c+70
b. x=2
Step-by-step explanation:
[tex]a. \: (7a−5b+4c)−(3a+3b−70)[/tex]
[tex]7a−5b+4c−(3a)−(3b)−(−70)[/tex]
[tex]7a−5b+4c−3a−3b+70[/tex]
[tex]4a−5b+4c−3b+70[/tex]
[tex]4a−8b+4c+70[/tex]
b. Let's solve your equation step-by-step.
5x+1=2x+7
Step 1: Subtract 2x from both sides.
5x+1−2x=2x+7−2x
3x+1=7
Step 2: Subtract 1 from both sides.
3x+1−1=7−1
3x=6
Step 3: Divide both sides by 3.
[tex] \frac{3x}{3} = \frac{6}{3} [/tex]
x=2
Hope it is helpful....how do I find the equation for the line?
Answer:
The equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept.
Mallory began the month $135 in debt.
After one week of working overtime, she
was able to remove $95 of debt. Her
situation can be represented by the
equation:
Answer:
-135+95
Step-by-step explanation:
Find the area with shown work.
Step-by-step explanation:
a lil bit messy..
hope you understand
Factor to write an equivalent expression using the GCF.
9x – 45y
What is the measure of each angle in a regular nonagon?
Answer:
Each angle of a regular nonagon is 140°
Step-by-step explanation:
The sum of all the interior angles is equal to 1260°
All i need to know is if its a function or not (I will give branliest for a good explanation)
Answer:
It's fine. It is a function. The language can be very convoluted. Put simply a domain value cannot have 2 different range values.
Step-by-step explanation:
The confusing part I think, is probably the fact that -1 and 1 both have an answer of 5.
That's fine. Parabolas do that and they are functions. Two different xs can have the same value. The thing that eliminates functions is when the x value (the domain) has two different y values (the range values). Then you don't have a function.
To try and make it clearer if 1 pointed at both 3 and 5 you would not have a function.
Determine wheather the graphs of y = 2x+1 and y=-3X-7 are parallel, perpendicular, coincident, or none of these
Answer:
The two graphs are perpendicular
Step-by-step explanation:
The slope of the first one is the reciprocal of the second. Also I graphed it.
Please help me with this homework
8. If you choose from the following M&M colors, what is the probability
that you choose blue? 5 green, 6 yellow, 8 blue, 7 brown *
8/25
04/13
O 1/3
08/26
Answer:
8/26
Step-by-step explanation:
there are 8 blue out of a total of 26 in total
Hugo is making a metal box as part of a sculpture. He
wants to know how much metal is needed to make a box with the dimensions shown.
What is the surface area of the box?
O A. 21 square centimeters
B. 30 square centimeters
C. 18 square centimeters
O D. 42 square centimeters
Answer:
We can split the solid into 6 rectangles
Rectangle1 with sides (2cm, 3cm)
Rectangle2 (square) with sides (3cm, 3cm)
Rectangle3 with sides (2cm, 3cm)
Rectangle4(square) with sides (3cm, 3cm)
Rectangle5 with sides (2cm, 3cm)
Rectangle6 with sides (2cm, 3cm)
Area of rectangle = Length x Breadth
[tex]area \ of \ rectangle1 = 6cm^2\\\\area \ of \ rectangle2 = 9cm^2\\\\area \ of \ rectangle3 = 6cm^2\\\\area \ of \ rectangle4 = 9cm^2\\\\area \ of \ rectangle5 = 6cm^2\\\\area \ of \ rectangle6 =6cm^2\\[/tex]
The total surface area = 6 + 9 + 6 +9 + 6 +6 = 42 square centimeters
option D
The total surface area of all 6 rectangles is 42 square centimeters.
We can split the solid into 6 rectangles
Rectangle1 with sides (2cm, 3cm)
Rectangle2 (square) with sides (3cm, 3cm)
Rectangle3 with sides (2cm, 3cm)
Rectangle4(square) with sides (3cm, 3cm)
Rectangle5 with sides (2cm, 3cm)
Rectangle 6 with sides (2cm, 3cm)
What is the area of the rectangle?
Area of rectangle = Length x Breadth
Therefore the area of rectangle1=6cm^2
Area of the rectangle2=9cm^2
Area of the rectangle3=6cm ^2
Area of the rectangle4=9cm^2
Area of the rectangle5=6cm^2
Area of the rectangle4=6cm^2
The total surface area = 6 + 9 + 6 +9 + 6 +6 = 42 square centimeters
Therefore option D is correct.
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Someone help with this please
What number is this? A 5 digit number, All but last are even, Goes from least to greatest except the first number, 2 repeats, 2nd number is 4.
Answer:
Step-by-step explanation:
Acute Lines that never intersect Right An angle that is more than 180°, less than 360° Obtuse An angle that is more than 0°, less than 90° Straight Intersecting lines that form 90° angles Reflex Measures exactly 90° Parallel An angle that is more than 90°, less than 180° Perpendicular Measures exactly 180° find their partner.
Acute Lines that never intersect
Right An angle that is more than 180°, less than 360°
Obtuse An angle that is more than 0°, less than 90°
Straight Intersecting lines that form 90° angles
Reflex Measures exactly 90°
Parallel An angle that is more than 90°, less than 180°
Perpendicular Measures exactly 180°
find their partner.
Answer:Acute An angle that is more than 0°, less than 90°
Right Measures exactly 90°
Obtuse An angle that is more than 90°, less than 180°
Straight Measures exactly 180°
Reflex An angle that is more than 180°, less than 360°
Parallel Lines that never intersect
Perpendicular Intersecting lines that form 90° angles
Step-by-step explanation:An acute angle is an angle that is between 0° and 90°. Examples are 50°, 25° e.t.c
A right angle is formed when two lines that are perpendicular to each other intersect. The angle formed is exactly 90°.
An obtuse angle is an angle that is between 90° and 180°. Examples are 101°, 98.9°
A straight angle is an angle that is exactly 180°. It is sometimes called flat angle.
A reflex angle is an angle that is between 180° and 360°. Examples are 340°, 192°
A parallel angle is an angle formed by lines that never intersect.
A perpendicular angle is formed by lines that intersect by forming an angle of 90° to each other.
answer is 90 because 360 divided by two equals is 180 then 180 divided by two equal 90 mean answer is 90
I need help!!
Use the properties of logarithms to simplify.
log base5 5^(2x − 9) + log base3 729^5
Answer:
2x +21
Step-by-step explanation:
[tex] log_{5} {5}^{(2x - 9)} + log_{3} {729}^{5} \\ \\ = log_{5} {5}^{(2x - 9)} + log_{3} {( {3}^{6} )}^{5} \\ \\ = log_{5} {5}^{(2x - 9)} + log_{3} { {3}}^{6 \times 5} \\ \\ = log_{5} {5}^{(2x - 9)} + log_{3} { {3}}^{30} \\ \\ =(2x - 9) log_{5} {5} + 30 log_{3} { {3}} \\ \\ = (2x - 9).1 + 30(1 )\\ ( \because \: log_{a} { {a}} = 1) \\ \\ = 2x - 9 + 30 \\ \\ = 2x +21[/tex]
PLEASE HELP!!
Type the correct answer in the box.
If the measure of angle 0 is 7/6. The equivalent measurement in degrees is
|blank| °
Answer:
the angle in degree is 30°
If the measure of the angle in radian form is 7π/6 then it is 210° in degrees form.
What is angle?An angle is basically an inclination of surface towards a object. It is measured in degrees as well as in radian.
How to convert angle into degrees?We have been that the angle is 7π/6 and we have to convert this angle into degrees.
We have to just put π=180 to convert the radian form into degrees.
Angle=7*180/6
=7*30
=210°
Hence if the measure of the angle in radian form is 7π/6 then it is 210° in degrees form.
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Please help be geniune how many times do I need to say NO LINKS god . I will mark brainliest please help :(
Answer:
answer: 510 square feet
An earring has the shape of a rhombus. The height is 5.2 mm and the
area of the earring is 39 mm2. What is the length of each side of
the earring?
9514 1404 393
Answer:
7.5 mm
Step-by-step explanation:
As with any parallelogram, the area of a rhombus is given by ...
A = bh
Using the given values, we find ...
39 mm² = b(5.2 mm)
b = (39 mm²)/(5.2 mm) = 7.5 mm
The length of each side is 7.5 mm.
Answer:
Solution given:
height=5.2mm
Area of rhombus=39mm²
we have
Area of rhombus=base*height
39=5.2×base
base=39/5.2
base=7.5mm
the length of each side of
the length of each side ofthe earring is 7.5mm.
please I need this answer real quick I will give brainlist
From the above expression we get,
=》x + y = 7 - [1]
=》3x - 2y = 11 - [2]
now, let's solve :
multiplying [1] by 3
=》3x + 3y = 21
=》 3x - 2y = 11
subtracting
now, subtracting [2] from [1]
=》3x + 3y - 3x + 2y = 21 - 11
=》5y = 10
=》y = 2
now, plugging the value of y as 2 in equation [1]
=》x + y = 7
=》x + 2 = 7
=》x = 5
So, value of :
x = 5y = 2A polynomial function P(x) with rational coefficients has the given roots. Find two additional roots of P(x)= 0, 7- 5 squared and -2i
Answer:
2 & +2i
Step-by-step explanation:
The two additional roots of the polynomial functions are:
1. 7-5 = 2
2. Irrational root of a polynomial functions are always in pairs, hence
- 2i will have +2i as its pair
Please help like now!!! asap
Answer:
4/8 is left in the glass ;)
Answer:
1/2
Step-by-step explanation
???
Please help!! Due soon!! It's multiple choice!! Can you PLEASE try to show the work? I will give you brainliest!! Please answer all! thank you!!!!! :) ANY LINKS=REPORTED!
I WILL MARK BRAINLIEST!!
A sample of 144 was taken from a population with a standard deviation of 36
inches. What is the margin of error for a 68% confidence interval?
A. 9
B. 6
C. 3
D. 12
Answer:
9 inches
Step-by-step explanation:
The population is within 6 standard deviations of the mean with a confidence of 99.7 percent, 3 above and 3 below
The standard deviation of the sample mean is equal to the population standard deviation divided by the square root of the sample size
population standard deviation = 36
sample size = 144
standard deviation of the sample mean = 36/ sqrt(144)
=36/12
=3
The margin of error is the number of standard deviations above the mean * the standard deviations
margin of error = 3 * 3
= 9 inches
The circumference of a circle is 15π units. How many units long is its diameter? (Use only the digits 0 - 9 and the decimal point, if needed, to write the answer.)
Answer:
The answer is c
Step-by-step explanation:
Im just wasting points :) Ignore this
Hey please help be geniune please help me no links will mark brainliest :( !
Answer:
71 - Maybe
Step-by-step explanation:
11 x 7 = 77
11 - (4 + 4) = 3
2 x 3 = 6
77 - 6 = 71
URGENT MARKING BRAINLIEST
Answer:
See expanation below
Step-by-step explanation:
Fried: 16/50 = 32%
Boneless: 10/50 = 20%
Baked: 6/50 = 12%
Buffalo: 18/50 = 36%
I will mark you brainlist!
A bowl contain
- 3 red erasers
- 4 blue erasers
- 6 green erasers
- 7 erasers
An eraser will be drawn from the bowl and replace 50 times. What is a reasonable prediction for the number of the number of times a green eraser will be drawn?
Answer:
15 times
Step-by-step explanation:
6 green erasers / 20 total erasers =0.3
0.3(50) = 15
The number of times a green eraser will be drawn will be 15 times.
What is the expected value?The expected value is given below.
E(x) = np
Where n is the number of samples and p is the probability.
A bowl contains 3 red erasers, 4 blue erasers, 6 green erasers, and 7 erasers.
The probability of getting a green eraser will be calculated as,
P = 6 / (3 + 4 + 6 + 7)
P = 6 / 20
P = 0.30
Then the expected value is calculated as,
E = 0.30 x 50
E = 15
The number of times a green eraser will be drawn will be 15 times.
More about the expected value link is given below.
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What is the area of the hexagon below? only real answers
Answer: 24 m squared
Step-by-step explanation:
Lets break this down step by step. When you see an irregular polygon and want to find the area, you can break it down into smaller shapes.
I have split the shape into a parallelogram and a rectangle.
Area of parallelogram : 6*2 (formula = bh)
Area of rectangle: 6*2 (formula = bh)
Now we add the areas of both the parallelogram and rectangle together to get 24m squared.
Answer:
24 m²
Step-by-step explanation:
2 + 2 = 4
4 × 6 = 24
24 m²
hello please help prize is brainliest
Answer:
1. 8 families
2. 25 families
3. 20
Does anyone else dislike teacher appreciation week?
yeeaaaaaa... ;3;
simple equation; go! 2 + 2 = ?????
Answer:
I don’t know, it depends because in my opinion some teachers deserve it by their actions how they teach etc. but some not really so it depends I guess.
Step-by-step explanation:
What volume of concrete is required to build this footbridge?
2m wide
4m tall
2m long
Answer:
16m²
Just find the volume by multiplying the length, width, and height
Step-by-step explanation: