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Olenka [21]
4 years ago
13

Please help, I’m not too smart

Mathematics
1 answer:
Dennis_Churaev [7]4 years ago
4 0

Answer:

x = - 4

Step-by-step explanation:

Given

r(x) = - 5x - 1 and r(x) = 19, then equating the right sides gives

- 5x - 1 = 19 ( add 1 to both sides )

- 5x = 20 ( divide both sides by - 5 )

x = - 4

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If the rectangle is 38 inches and the length is 12 how much is the width ?
Ierofanga [76]

Answer:

width= 3.17

Step-by-step explanation:

Divide 38 (the area) by 12 (the width)

8 0
3 years ago
What graph is correct?​
Gekata [30.6K]

Answer:

A

Step-by-step explanation:

3 0
3 years ago
4. Six numbers are shown.
Reptile [31]

Step-by-step explanation:

sorry i couldn't solve the last and the last second one

Was it helpful?

comment down

If there is any kind of suspicious mistake

then sorry

7 0
3 years ago
Find the volume of triangular prism with the following dimensions. Round to the nearest whole number.
defon

Answer:

<em>124.0 ft^2</em>

Step-by-step explanation:

let b = base of triangle = 7ft

h = height of triangle = 4ft

and

l = height of prism. = 8.5ft

We know,

volume of prism = area of triangular face of prizm × height of prizm

= 1/2 × b × h × l

= 1/2 × 7 × 4 × 8.5

= 7 × 2 × 8.5

= 14 × 8.5

<h2> = <u>124.0 ft^2</u></h2>
6 0
3 years ago
40 POINTS. When they form conical piles, granular materials such as salt, gravel, and sand settle at different "angles of repose
grandymaker [24]

Answer:

34.0 degrees, 29.6 feet in Diameter.

This is a right triangle trigonometry question.

Use half of the diameter to form the base of the triangle (19.3 ft) with a height 0f 13.

Use Inverse Tangent function to find the angle of repose

round to 34.0

then use the angle of repose to solve trigonometric function of the tangent for the radius of the other cone.

switch denominator and tangent

multiply by 2 to get diameter of second cone

14.82*2≈29.6

hopefully this helps!

7 0
3 years ago
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