Answer:
8 cm.
Step-by-step explanation:
area = 1/2 * base * height = 32
since base = height
therefore 1/2 * base * base = 32
base^2 = 32*2
base = 8 cm.
height = 8 cm.
How do you know if the graph will be dotted or solid when graphing linear inequalities?
Answer: look at the symbols <, > and <=, >=
Step-by-step explanation:
If the inequality is < or >, graph the equation as a dotted line. If the inequality is <= or >=, graph the equation as a solid line.
find the exact value of x. x=
4. A 50 meter tall tree casts a shadow that is 60 meters long. Find the distance
between the top of the tree and the shadow .
PLEASE HELP, SHOW WORK ,GIVING BRAINLIESTS. WORTH 28 POINTS!
app nearpod.com/presentation7pinFQ3R
Independent Practice:
1. If two points, R and T, have coordinates of R(-5, 8) and T(3,14).
then which of the following points lies at the midpoint of RT ?
a) (-2, 22)
b) (-5,14)
c) (-1,11)
d) (2011)
Answer:
A
Step-by-step explanation:
-5+3=-2
8+14=22
Which equation of an exponential function has a graph that passes through the points
(1,5) and (2,15)?
Answer:
[tex]y = \frac{5}{3} (3^{x} )[/tex]
Step-by-step explanation:
In general, [tex]y = k(b^{x})[/tex]
Substitute x = 2, y = 15
(1) [tex]15 = kb^{2}[/tex]
Substitute x = 1, y = 5
(2) [tex]5 = kb^{1} = kb[/tex]
Divide equation (1) by equation (2)
[tex]\frac{15 = kb^{2} }{5= kb }[/tex]
3 = b
Now substitute b = 3 in equation (2) to find k
5 = k(3)
[tex]k = \frac{5}{3}[/tex]
Since we know the values for k and b, we now have the exponential function that passes thru (1, 5) and (2, 15)
[tex]y = \frac{5}{3} (3^{x} )[/tex]
The measure of an angle is nine times the measure of its complementary angle. What is the measure of each angle?
Answer:
the angle is 81 and it's complementary angle is 9
let X be the angle
let 90-x be it complementary angle
so X=9(90-x)
X=810-9x
810=10x
X=810/10
X=81
and complementary angle 90-x which is 90-81 is equal to 9...
Determine whether the sample may be biased. Explain.
Theo surveys every fourth person entering a grocery store to find out the average number of pets in people's homes.
Answer:
No, I do not think the sample is biased.
Step-by-step explanation:
Well, Theo is surveying people randomly, he has no way of knowing who'll be the fourth person.
How can you determine
a representative sample of a population?
Sumaya is considering investing $8500 into the bank. Bank A offers 2.25% interest rate compounded semiannually. Bank B offers 1.75% interest compounded monthly. She is planning on leaving the money in the account for 5 years until she goes to college. Which bank should Sumaya go with and how much more will she make at that bank in the five years?
A. Bank A - she will make $1341.56 more
B. Bank B - she will make $1341.56 more.
C. Bank A - she will make $230.02 more.
D. Bank B - she will make $230.02 more.
About Carrier culture initially contains 2500 bacteria and doubles every half hour
Answer:
A bacteria culture initially contains 2500 bacteria and doubles every half hour. The formula for the population is p(t)=2500e^(kt) for some constant k. Find the size of the bacterial population after 100 minutes. Find the size of the bacterial population after 4 hours.
Step-by-step explanation:
Answer:
1. 10000 bacteria
2. 640000 bacteria
Step-by-step explanation:
2500 bacteria: 30 minutes
x bacteria: 60 minutes
The bacteria gets doubled twice
2500*2*2=10000
x bacteria:240 minutes
The bacteria gets doubles 8 times
2500*2*2*2*2*2*2*2*2= 640000
How many solutions do you think the equation
- 10x + 3 = 5x – 27 has?
Explain. Then, find the solution(s).
Answer: X = 2
Step-by-step explanation: There is only one solution
Hello!
x=2
explication:
-10x+3-5x=-27
-15x+3=-27
-15x=-27-3
-15x=-30
x=30:15
x=2
Compare Texas to Carolina. Write the answer in scientific notation. Texas= 2.5x10 to the power of 5. Carolina= 1.2x10 to the power of 3.
Answer:
Texas is 2.08333 * 10^2 times the size of Carolina.
Step-by-step explanation:
Given :
Given that:
Texas= 2.5x10^5
Carolina = 1.2x10^3
Comparing the size of Texas and Carolina
Texas / Carolina
(2.5 * 10^5) ÷ 1.2 * 10^3
(2.5/1.2) * 10^5-3
2.08333 * 10^2
Hence, Texas is 2.08333 * 10^2 times the size of Carolina.
Hi! Can someone please help me with this problem?
Answer:3!
Step-by-step explanation:
PLLLLLLLSSSSSSS HELP MEEE!!!!! I AM STUCK ON THIS AND I NEED HELP I NEED ANSWER AND WORK IF U GET IT RIGHT I WILL GIVE BRAINLIEST. If the perimeter of a rectangle is 26x^2+16x+10 and the length is 8x^2+6x+4, what is the width?
Answer:
2(3x2 + 6x - 10) + 2(3x + 5)
Step-by-step explanation:
Answer:
Lol. Give brainliest to the other guy.
Step-by-step explanation:
To find the width, multiply the length that you have been given by 2, and subtract the result from the perimeter. You now have the total length for the remaining 2 sides. This number divided by 2 is the width.
The length of a rectangle is 7 more than twice the width, and the area of the rectangle is 99 yd^2 . Find the dimensions of the rectangle
Answer:
Width of a rectangle = [tex]\frac{11}{2}[/tex] yards
Length of a rectangle = [tex]18[/tex] yards
Step-by-step explanation:
Let width be [tex]x[/tex] yards.
Length of a rectangle = [tex]7+2x[/tex]
Area of a rectangle = length × width
Put area of the rectangle as [tex]99\,\,yd^2[/tex]
Therefore,
[tex]99=x(7+2x)\\\\99=7x+2x^2\\\\2x^2+7x-99=0\\\\2x^2+18x-11x-99=0\\2x(x+9)-11(x+9)=0\\\\(2x-11)(x+9)=0\\\\x=\frac{11}{2},x=-9[/tex]
Being a dimension, [tex]x[/tex] cannot be negative.
So,
[tex]x=\frac{11}{2}[/tex]
Width = [tex]x=\frac{11}{2}[/tex] yards
Length of a rectangle = [tex]7+2x=7+2(\frac{11}{2})=7+11=18[/tex] yards
how does a fraction model help you
Answer:
Fraction models can help clarify ideas that are often confused in a purely symbolic mode and construct mental terms that help them to perform fraction tasks meaningfully.
Step-by-step explanation:
Which statement is true?
Answer:
Step-by-step explanation:
x-intercept -> when y = 0
f(x) x-intercept -> (1 , 0)
g(x) x-intercept -> (-1 , 0)
y-intercept -> when x = 0
f(x) y-intercept -> (0 , -1)
g(x) y-intercept -> (0 , 1)
The x-intercept of f(x) is greater than the x-intercept of g(x)
The y-intercept of g(x) is greater than the y-intercept of f(x)
So from the options, the answer is D. The x-intercept of f(x) is greater than the x-intercept of g(x)
9y=72? :D one last question this is such a struggling doing algebra in such an early grade: (
Answer:
y=8
Step-by-step explanation:
Answer:
y = 8
Step-by-step explanation:
Divide each term by 9 and simplify.
find the range of the data.
26, 12, 34, 18, 78, 11, 65, 46, 38.
Answer:
The range is the difference between the largest and smallest numbers.
(See explanation)
Step-by-step explanation:
78 - 11 = 67
I'm feeling happy <3
Answer:
Range : 67
Medium : 34
Mean : 36.4
___________________
*rate this answer and say thanks please!
A child weighs 83 pounds. Given that 1 pound is equal to 16 ounces, how many ounces does the child weigh?
Answer: 1328
Step-by-step explanation:
The sum of twice Emily's age and her mom's age is 78. Her mom's age is 4 times Emily's age. What is Emily's age?
Answer:
19 years and 6 months old
Step-by-step explanation:
Emily's age: E
4 x E = 78
78 ÷ 4 = 78
What is the area, in square inches, of the shape below?
5 in
10 in
What are all the equations for which (6,1) is a solution.
Answer:
y = 4x + 23
2x - 13y = 1
3y = 1/2x
Step-by-step explanation:
trust me i got it right
4x² – 3x²
Please help
i promise ill study next time
Answer:
1[tex]x^{2}[/tex]
Hope that helps!
Step-by-step explanation:
-12x2 + 5x - 26
Helppp
Answer:
I factored it
Step-by-step explanation:
-12x^2 + 5x - 26
-1(-12x^2 + 5x - 26)
-1 is there only common factor
Guys please solve it.
Answer:
1) a. y = 4x + 8
b. It will take 9 days for it to grow 44 inches tall
hope this helps :)
Answer:
a. y= 4x+8
b. 23 days
Step-by-step explanation:
8 is the y-int.
Slope you go up 4 and 1 to the right
y = 4*44+8
y= 176+8
y=184/8
y= 23
Lauren solve a quadratic by factoring response is below analyze the answer then incomplete sentence is discuss whether the answer is incorrect or correct if the answer is incorrect explain Lauren thinking and where she made her mistake
Answer:
half correct half wrong 2/5 should be 5/2 but 1 is correct
Step-by-step explanation:
To solve for the unknown variable, separate into two equations: one with a plus and the other with a minus.
=7+3
____
4
=7−3
____
4
Rearrange and isolate the variable to find each solution
=5/2
= 1
Solution
=5/2
=1
the matirial for one headband costs $0.95. Each headband is sold foe $3.80. What percentage of $0.95 is $3.80?
The measure of one interior angle of a parallelogram is 42 degrees more than twice the measure of another angle. Find the measure of each angle.
Answer:Measure of the angles are 50, 130, 50 & 130
Step-by-step explanation: seen from the diagram, adjacent angles are supplementary and opposite angles are equal.
enter image source here
Let one angle be A
Other adjacent angle b will be 180-a
Given b = 2a + 30. Eqn (1)
As B = 180 - A,
Substituting value of b in Eqn (1) we get,
2
A
+
30
=
180
−
A
∴
3
a
=
180
−
30
=
150
A
=
50
,
B
=
180
−
A
=
180
−
50
=
130
Measure of the four angles are
50
,
130
,
50
,
130