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3 years ago

25 points :)))))))))

Mathematics

2 answers:

kiruha [24]3 years ago

8 0

Answer:

s = 15

Step-by-step explanation:

We know that a straight line measures 180°

so… in order to find the value of s add the two angles with a sum of 180 and then solve for s

(9s + 8)° + 37° = 180°

Combine like terms

9s + 45 = 180

Subtract 45 from both sides

9s = 135

Solve for s

s = 135/9

s = 15

ElenaW [278]3 years ago

5 0

Answer:

S = 15

Step-by-step explanation:

Hope this helps!

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Use the quadratic formula to solve for x.

ryzh [129]

Answer:

The answer is

$x = \frac{ - 9 - \sqrt{41} }{10} \: \: \: , \: \: \: \: \: \frac{ - 9 + \sqrt{41} }{10} \\$

Step-by-step explanation:

5x² + 9x + 2 = 0

Using the quadratic formula that's

$x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac} }{2a} \\$

From the question

a = 5 , b = 9 , c = 2

We have

$x = \frac{ - 9 \pm \sqrt{ {9}^{2} - 4(5)(2) } }{2(5)} \\ = \frac{ - 9 \pm \sqrt{81 -40 } }{10} \\ = \frac{ - 9 \pm \sqrt{41} }{10} \: \: \: \: \: \: \: \: \: \:$

We have the final answer as

$x = \frac{ - 9 - \sqrt{41} }{10} \: \: \: , \: \: \: \: \: \frac{ - 9 + \sqrt{41} }{10} \\$

Hope this helps you

8 0

3 years ago

Solve for d<br> –3d + 10 − 5d = –10 − 10d

deff fn [24]

Your answer would be -2

6 0

3 years ago

Why is it a good idea to check to see if your answer is reasonable?

GalinKa [24]

Answer:

c. you just need to solve for the variable done the problem correctly

Step-by-step explanation:

3 0

3 years ago

The Warriors made seven out of 15 shots. If the ratio of made to total shots remains constant, how many shots will the Warriors

Ray Of Light [21]

Answer:

Step-by-step explanation:

The ratio of shots made to shots total is 7:15. Now since we don't know the shots made from 60 total shots, we can set the ratio as x:60. Since 15 goes into 60 4 times, we can multiply both parts of the ratio by 4 to get 28:60.

8 0

3 years ago

Evaluate the expression

AfilCa [17]

Answer:

Step-by-step explanation:

This question tests your understanding of order of operations rules.

Anything within parentheses (such as (14 - 5) must be evaluated first, followed by exponentiation (such as 3^4), and then multiplication and division, and then addition and subtraction.

Here (14 - 5) must be evaluated first; it comes to (9).

Then we have 3^4 ÷ 9 · 2.

Do the exponentiation first: 81 ÷ 9 · 2.

Here we have both division and mult. Do these from left to right:

81 ÷ 9 · 2 → 9 · 2

9 · 2 = 18

3 0

3 years ago