3 years ago

Can someone answer this ?

Mathematics

1 answer:

hodyreva [135]3 years ago

3 0

${c}^{2} - 5c - 8 \\ 36 - 30 - 8 \\ - 2$

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Let x = 6.

Mars2501 [29]

Put the value of x = 6 to the eqpression 5x² + x - 7:

5(6)² + 6 - 7 = 5(36) + 6 - 7 = 180 + 6 - 7 = 179

<h3>Answer: 179</h3>

5 0

3 years ago

Please explain and please if you don't know answer in the COMMENT section but however if you do know please answer in the box be

s2008m [1.1K]

Answer 4: Angle 4,5 and 1

Answer 5: 3,4 and 5

Answer 6: The value of x is 10 because since angle 3 is 90 degrees angle 1 is 9x 9 times 10 equals 90 degrees which is the same as angle 3 which is 90 degrees, so the answer is 10.

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3 years ago

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Find the volume of a cylinder that has a height of 8 inches and a diameter of 14 inches.

mariarad [96]

Answer:

$V=1232\ inches^3$

Step-by-step explanation:

Given that,

The height of a cylinder, h = 8 inches

The diameter of the cylinder, d = 14 inches

Radius, r = 7 inches

We need to find the volume of the cylinder. The formula for the volume of a cylinder is given by :

$V=\pi r^2 h\\\\=\dfrac{22}{7}\times 7^2\times 8\\\\V=1232\ inches^3$

So, the volume of the cylinder is equal to $1232\ inches^3$ .

3 0

3 years ago

Give the value of the speed In this graph

WARRIOR [948]

I think the speed is 0 since the slope gives you the value for sped on a distance v time graph and in this case the slope is 0 which means the object is not moving.<span />

7 0

3 years ago

Two thirds Of a number Is 3 1/2 ( three And a half) more than three eighths Of The number. Find The number.

antiseptic1488 [7]

$\frac{2}{3}x - 3.5 = \frac{3}{8}x$
$\frac{2}{3}x - \frac{3}{8}x = 3.5$
$\frac{2}{3}x - \frac{3}{8}x = \frac{7}{24}x$
$\frac{7}{24}x = 3.5$

Multiply 3.5 by 24 and then divide by 7 and you get

x = 12

3 0

4 years ago

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