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3 years ago

Which of the following is equal to the expression listed below? 25 + 10

Mathematics

2 answers:

Molodets [167]3 years ago

8 0

Answer:35

Step-by-step explanation:

Olenka [21]3 years ago

8 0

Answer:

Step-by-step explanation:

25+10=35

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Please help Anyone I'm seriously almost done

sp2606 [1]

Answer:

$\textsf{x = 45}$

Here, the given 2 angles are complementary angles. The sum is <u>90 degrees</u> as indicated by the right angle symbol.

$\textsf {Solving :}$

$\implies \textsf{x - 2 + 47 = 90}$

$\implies \textsf{x + 45 = 90}$

$\implies \textsf{x = 45}$

5 0

2 years ago

Do the sides 9, 12 and 15 make a right triangle?

Fynjy0 [20]

Answer:

YES

Step-by-step explanation:

because they are all different lengths

6 0

3 years ago

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It's believed that as many as 23% of adults over 50 never graduated from high school. We wish to see if this percentage is the

laila [671]

Answer: 756

Step-by-step explanation:

Given : The proportion of adults over 50 never graduated from high school. = 0.23

Margin of error : E=0.03

Significance level : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

The formula to find the sample size is given by:_

$n=p(1-p)(\dfrac{z_{\alpha/2}\ }{E})^2$

i.e. $n=(0.23)(0.77)(\dfrac{(1.96)}{0.03})^2=755.941511111approx756$

Hence, the required minimum sample size = 756

4 0

3 years ago

This table gives the minutes players spent practicing basketball free throws and the number of baskets they made when they were

kondor19780726 [428]

Answer:

0.79769, or 0.80 if you round it up

Step-by-step explanation:

8 0

3 years ago

HURRY PLEASE <br><br> What is the solution of the system 4x+3y=6 2x+2y=5

jolli1 [7]

The first given equation is:
4x + 3y = 6
which can be rewritten as:
2(2x) + 3y = 6 .............> equation I

The second given equation is:
2x + 2y = 5
which can be rewritten as:
2x = 5 - 2y ........> equation II

Substitute with equation II in equation I to get the value of y as follows:
2(5-2y) + 3y = 6
10 - 4y + 3y = 6
-y = 6-10 = -4
y = 4

Substitute with the y in equation II to get x as follows:
2x = 5 - 2y
2x = 5 - 2(4)
2x = 5 - 8 = -3
x = -3/2

From the above calculations:
x = -3/2
y = 4

7 0

3 years ago

Read 2 more answers