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guajiro [1.7K]
2 years ago
8

Please answer correctly !!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
bija089 [108]2 years ago
5 0

Answer:

14

Step-by-step explanation:

(9x + 10)° = 136°

9x + 10 = 136

9x = 126

x = 14

lesya [120]2 years ago
4 0
X=14
See the picture below

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What is the volume of a sphere that has a diameter of 18 in.? Use 3.14 to approximate pi and express your answer in hundredths.
leonid [27]

<span> A) Diameter = 18"
Circumference = pi x Diameter = pi x 18 = 56.52"
Area = pi x radius^2 = pi x 81 = 254.34 sq. inches

B) Radius = 5 cm
Circumference = pi x Diameter = 10pi cm
Area = pi x radius^2 = 25pi square cm

C) Area = 64pi square cm
Radius = 8 cm
Diameter = 16 cm
Circumference = pi x Diameter = 16pi cm

OR (in case you wanted it exactly as you wrote it)

Area = 64 square cm
Radius = 4.51 cm
Diameter = 9.03 cm
Circumference = pi x Diameter = 28.35 cm

D) Diagonal = Diameter = sq root of (a^2 + b^2) = sq root (81+144) = 15 cm
Circumference = pi x Diameter = 47.10 cm
Area = pi x radius^2 = 23.55 square cm </span>

<span>
</span>

<span>Hope I helped</span>

<span>Don't Forget to say thanks</span>

<span>
</span>


4 0
3 years ago
Identify the pair of exponents that would make the statement FALSE
IgorLugansk [536]

Answer:

The answer of this question is ( D) 2, 10.

6 0
2 years ago
I’m really confused on what the answer is supposed to be
kozerog [31]

Answer:

<u>-4 < x < -2</u>

Step-by-step explanation:

Taking the left part of the inequality :

  • 8 > 4 - x
  • x > -4

Taking the right part of the inequality :

  • 4 - x > 6
  • -x > 2
  • x < -2

Solution :

  • <u>-4 < x < -2</u>
6 0
1 year ago
A parallelogram has a base of 9 inches and a height of 11 inches. What is the area? ​
Margaret [11]
11 x 9 = 99

The area is 99 inches.
5 0
3 years ago
Read 2 more answers
The height, h, in feet of a rock above the ground is given by the equation h = -16t^2 + 24t + 16, where t is the time in seconds
boyakko [2]

The rock will hit the ground at 2 seconds.

Explanation:

Given that the height, h, in feet of a rock above the ground is given by the equation h=-16t^2+24t+16, where t is the time in seconds after the rock is thrown.

We need to determine the time at which the rock will hit the ground.

To determine the time, let us equate the height h = 0 in the equation h=-16t^2+24t+16, we get,

0=-16t^2+24t+16

Switch sides, we have,

-16 t^{2}+24 t+16=0

Let us solve the equation using the quadratic formula.

Thus, we have,

t=\frac{-24 \pm \sqrt{24^{2}-4(-16) 16}}{2(-16)}

Simplifying, we get,

t=\frac{-24 \pm \sqrt{576+1024}}{-32}

t=\frac{-24 \pm \sqrt{1600}}{-32}

t=\frac{-24 \pm 40}{-32}

Hence, the two values of t are

t=\frac{-24 + 40}{-32}   and   t=\frac{-24 -40}{-32}

Simplifying the values, we get,

t=\frac{16}{-32}  and  t=\frac{-64}{-32}

Dividing, we get,

t=-\frac{1}{2}  and  t=2

Since, t cannot negative values, we have,

t=2

Thus, the rock will hit the ground at 2 seconds.

8 0
3 years ago
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