Answer:
Step-by-step explanation:
x^2-9x-52=0 What 2 numbers when multiplied equal -52 and added equals -9? -13 and 4
(x-13)(+4)
b. Which is an equation for the line? *
Answer:can see the line
Step-by-step explanation:
if it is linear it is =Ax+By=C
DUEEE at 10:300 HELPPP ??
Answer:
They are similar by SSS similarity. TUV ~ QRS
Step-by-step explanation:
yes
Answer:
ΔTUV ~ ΔQRS
Step-by-step explanation:
The sides on the smaller triangle are 15, 25, and 30.
The sides of the larger triangle are 42, 70, and 84.
15*X = 42
X = 2.8
25 * 2.8 = 70
30 * 2.8 = 84
Since all sides of the larger triangle are 2.8 times the sides of the smaller triangle, the two triangles are similar.
WILL MARK BRAINLIEST FOR CORRECT ANSWER!!!!!!!!
Simplify the expression.
7(6x – 4) + 1
1. Distribute the 7 through the parentheses.
2. Combine like terms.
What is the expression in its simplest form?
A) 42x – 28 + 7
B) 42x – 3
C)42x – 28 + 1
D) 42x – 27
Answer:
D) 42x-27
Step-by-step explanation:
Distribute the 7
7*6x=42×
7*-4=-28
Combine like terms:
42x(Stays there)
-28+1=-27
42x-27
find vertex and axis of symmetry
-3(x-4)^2+1
Answer:
vertex=(4,1)
aos:x=4
Item 5 A bag contains 6 red marbles. The ratio of red marbles to blue marbles is 2 for every 5. Find the number of blue marbles in the bag. Item 5 A bag contains 6 red marbles. The ratio of red marbles to blue marbles is 2 for every 5. Find the number of blue marbles in the bag.
Answer:
15 blue marbles
Step-by-step explanation:
Given that:
A bag contains 6 red marbles.
The Ratio of red to blue marbles is 2:5
Thus, the ratio of red marbles for 6 red marbles in a bag will be = 6/2 = 3
Now; the ratio of blue marbles in a bag containing 6 red marbles = 3 × 5 = 15 blue marbles
OR
Mathematically;
[tex]\dfrac{2}{5} \times \dfrac{x}{x} = \dfrac{6}{blue}[/tex]
So, we are looking for the same number we can multiply for both the numerator and the denominator that can give us the value of 6 in the above numerator to determine the value of the denominator. If we use 3 since 2× 3 = 6
We have:
[tex]\dfrac{2}{5} \times \dfrac{3}{3} = \dfrac{6}{blue}[/tex]
[tex]\dfrac{2}{5} \times \dfrac{3}{3} = \dfrac{6}{15}[/tex]
So, there are 15 blue marbles in the bag.
Y = .75x = .75(16)=
Can someone plz help me out
write the equation of the ellipse graphed below.
ps. this is on Khan Academy’s ‘Ellipse standard equation & graph’
Answer: I am assuming its telling me to see where it is placed at so it would be (5,7).
I not for sure but I am pretty sure!
Good Luck!
1# Mr. Sanchez bought 2 magazines for $9.95 each and 1 book for $14.95. If the sales tax is 6%, what is the total cost of Mr. Sanchez’s purchases?
2# The price of gas increases from $2.20 per gallon on Monday to $2.31 per gallon on Tuesday. What is the percent of increase?
3# Dennis estimated the width of the space he has in his kitchen to fit a new refrigerator to be 36 inches. The actual width is 33 inches. What is the approximate percent error?
4# Megan purchased 8 square yards of flooring for a total of $432. What was the price of this flooring per square foot? **BE CAREFUL! You need to convert SQUARE YARDS into SQUARE FEET! If 3 feet = 1 yard, how many square feet are in 1 square yard?
5# A rectangular photograph measuring 2 inches by 4 inches is enlarged by a scale factor of 8. What is the area of the new photograph?
HELP ME WITH THE 5 QUESTIONS!!!!! PLEASE :) QUICK
Answer:
#1: $36.94
#2: 4.9 continuous
#3?
#4 $18
#5 64in squared
Step-by-step explanation:
#1 2x9.95+19.9
$19.90+$14.95=34.85
6% of 34.85=2.09
$34.85+$2.09=
$36.94
#4 8 yards = 24 feet
432/24=
18
#5 4x2=8
8x8=64
remember to make sure it is squared because it is area
Select the function that matches the graph.
Answer:y=3x+1
Step-by-step explanation:
Answer:y=3x +1
Step-by-step explanation:
A furniture store owner buys a sofa for $400 and marks it up %90 to sell it. During the stores anniversary sale she sells the sofa for %25 off. How much profit will the store owner make on the sofa during the anniversary sale?
Answer:
Anniversary sale price= $570
Step-by-step explanation:
Giving the following information:
Purchase cost= $400
Mar-up percentage= 90%
First, we need to calculate the "normal" selling price:
Selling price= 400*1.9= $760
Now, we can determine the anniversary sale price:
Anniversary sale price= 760 - (760*0.25)= $570
Tell me you love me and I’ll love you forever need help with this ASAP
Answer:
.33
Step-by-step explanation:
r u boy or girl
Evaluate the expression below if x = 3 and y= -4.
X - Y - 3+ (-57)
Answer:
-53
Step-by-step explanation:
3-(-4)-3-57
7-3-57
4-57
=-53
CD=______x CG fill in the blank
Answer:
GD
Step-by-step explanation:
The sum of three consecutive even numbers is 582. What is the 1st number?
Answer:
d
Step-by-step explanation:
y
5x - 7 + 2x = 21 solve the linear and state the property that justifies your first step
Answer:
x = 4
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Step-by-step explanation:
Step 1: Define equation
5x - 7 + 2x = 21
Step 2: Solve for x
Combine like terms: 7x - 7 = 21Add 7 on both sides: 7x = 28Divide 7 on both sides: x = 4Which of these triangles appears not to be congruent to any others shown
here? Check all that apply.
i need help!
Answer:
B, C, F
Step-by-step explanation:
B- has different lengths for each side and different angles
C-has different lengths for each side and different angles
F-has different lengths for each side and different angles
Non congruent triangles means if shape is reflected or rotated they would not look the same. Congruent triangles have same equal length and angles are equal in measure.
HELP PLEASE. what is the solution to this as an ordered pair. (algebra 1)
Answer:
(2 , 0)
I solved this using the comparison method ;)
Answer:
y=4×+6=56
56×65
45×34=
2×-4=67
i need help finding the value of x and the measure of each angle
Answer:
x=7, angle a= 45 degrees, angle b= 65 degrees
Step-by-step explanation:
All the angles in a triangle must add up to 180. Subtract 70 from 180, add both angle a and angle b to get 16x-2=110, solve for x, x=7. Substitute x out for 7 in the equations then simplify to get angle a=45 and angle b=65
Answer:
x = 7
m∠B = 65
m∠A = 45
Step-by-step explanation:
So we know that the inside of a triangle equals 180º. So we have one angle already, 70º, so what we can do is subtract 70 from 180.
180 - 70 = 110
Now we can set both equations equal to 110.
2 + 9x + 7x - 4 = 110
Now simplify.
2 + 9x + 7x - 4 = 110
2 + 16x - 4 = 110
16x - 2 = 110
+2 +2
------------------
16x = 112
÷16 ÷16
-----------------
x = 7
So now you can just plug 7 in for x to check your answers
2 + 9(7) = 65
7(7) - 4 = 45
65 + 45 + 70 = 180
Select the correct answer. A model rocket was launched from the top of a building. The rocket's approximate height can be modeled by the quadratic equation h = -4.9t2 + 53.9t + 127.4, where h is the rocket's height, in meters, after t seconds. When factored, this equation is h = -4.9(t - 13)(t + 2). What is a reasonable time for it to take the rocket to land on the ground? Answer A 11 seconds Answer B 13 seconds Answer C 2 seconds Answer D 15 seconds
Answer:
13 seconds.
Step-by-step explanation:
Given
[tex]h = -4.9(t - 13)(t + 2).[/tex]
Required
Determine a reasonable solution for t
To do this, we equate h to 0.
[tex]h = -4.9(t - 13)(t + 2).[/tex] becomes
[tex]0 = -4.9(t - 13)(t + 2).[/tex]
Divide through by -4.9
[tex]0 = (t - 13)(t + 2).[/tex]
Reorder the expression
[tex](t - 13)(t + 2) = 0.[/tex]
Split
[tex]t-13 = 0[/tex] or [tex]t + 2 = 0[/tex]
This gives:
[tex]t = 13[/tex] or [tex]t = -2[/tex]
But time can't be negative, So:
[tex]t = 13[/tex]
please help asap!!!!!!!!!!!!!!!!!
3 – х = 11
What's x?
Answer: x=-8
Step-by-step explanation:
3-x=11
-3 -3
-x=8
/-1 /-1
x=-8
Answer:
The answer is -8
Step-by-step explanation:
u would
what is 3/5 divided 2 1/2?
Answer:
6/25 or 0.24
Step-by-step explanation:
(3/5) / (2 1/2) =
(3/5) / (5/2) =
(3/5) × (2/5) =
6/25 = 0.24
Answer:
6/25
Step-by-step explanation:
I Divided 3/5 by 1/2
plz giving brainiest hurry fast plzz i beg
Answer:
59
because 116 - 180 = 64 +57 =121 -180 =59 I hope this helps!
Find the slope of the line
Answer:
3/4
Step-by-step explanation:
Can someone help me out with this inequality problem?? Will give brainliest to best answer!!
Answer:
250x + 525y ≤ 7800
no, 15 refrigerators and 8 pianos will not fit on the truck
Step-by-step explanation:
we know that x is the refrigerators and each one is 250 lbs
this can be written as 250x
we know that y is the pianos and each one is 525 lbs
this can be written as 525y
we also know that "no more than" is the same that as less than equal to
so this can be written as ≤
we can also say that the refrigerators and pianos has to be ≤ 7800
so now we have: 250x + 525y ≤ 7800
plug in 15 to x and 8 to y
250(15) + 525(8) ≤ 7800
3750 + 4200 ≤ 7800
7950 ≤ 7800
this statement is not true so no, 15 refrigerators and 8 pianos will not fit on the truck
In the fraction 7/8, the numerator denominator is 7.
7/8 is the fraction
7 is the numerator
8 Is the denominator
Answer:
hhshshidhidhsd
Step-by-step explanation:
how you feel about that????
What is the value of |-25|?
Please help me ASAP
Answer: 25
Step-by-step explanation:
2933445 + 9398988989
Answer:
9,401,922,434
Step-by-step explanation:
Answer:
the answer its 9.401.922.434
I hope helps you and if you want and consider you can give me a brainly crown
January 30, 2019 was the coldest day in Minneapolis-St paul i’m over 20 years the lowest temperature recorded that day was -28f the warmest temperature was 15 higher
Answer:
Whats the question?????
Find angles in triangles
Find the value of x in the triangle shown below.
o
X =
53°
20
970
Answer:
x = 30°
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Geometry
All angles in a triangle add up to 180°Step-by-step explanation:
Step 1: Set Up Equation
53° + 97° + x° = 180°
Step 2: Solve for x
Combine Like Terms: x° + 150° = 180°Isolate x: x = 30°