3 years ago

Given h(x) = 5 - 9x, find h(8).

Mathematics

1 answer:

Deffense [45]3 years ago

4 0

Answer:

h(8)=-67

Step-by-step explanation:

We know that x=8 so we solve the solution on the right by replacing x with 8

5-9*8

5-72

-67

So h(8)=-67

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Use the Pythagorean Theorem to find the m 14.1 X X= 14.7

KATRIN_1 [288]

Answer:

x = 4.2

Step-by-step explanation:

14.1² + x² = 14.7²

198.81 + x² = 216.09

216.09 - 198.81 = 17.28

√17.28 = 4.15

x = 4.15

Round to nearest tenth

x = 4.2

4 0

2 years ago

URGENT!!! Amy, on a jog, runs in a straight line for 3 miles. She then changes direction, heading 50 degrees to the right and ru

IgorLugansk [536]

Answer:

8.5miles

Step-by-step explanation:

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3 years ago

Write the ratio for each: Sin=?/? Cos=?/? tan=?/?

Sav [38]

Sin=opposite side/hypotenuse
cos=adjacent side/hypotenuse
tan=sin/cos or opposite/adjacent

4 0

3 years ago

3 Prove that cos130°+cos 110+ cos10=0

Evgesh-ka [11]

We know, cos A + cos B = 2cos(C+D)/2 × cos(C - D)/2

So,

cos 130 + cos 110 + cos 10

cos 130 + 2cos (110+10)/2 × cos( 110-10)/2

cos 130 + 2cos 60 × cos 50

cos ( 180 - 50 ) + 2cos60 cos 50

We know, cos ( 180 - A ) = -cos A

2cos 60 cos 50 - cos 50

Also, cos 60 = 0.5

2×0.5 cos 50 - cos50

cos 50 - cos 50

0 = RHS.

Hence proved

5 0

3 years ago

The point ( - 14,12) is on the graph of y = f(x). Find the corresponding point on the graph of y= qe), where gex) = arcus.

liubo4ka [24]

Answer:

$(-14,4)$

Step-by-step explanation:

Given

$(-14,12)$ $\to$ $y =f(x)$

$g(x) = \frac{1}{3}f(x)$

Required

The corresponding point on $y = g(x)$

$(-14,12)$ $\to$ $y =f(x)$ means:

$12 = f(-14)$

$f(-14)=12$

$g(x) = \frac{1}{3}f(x)$ is calculated

$g(-14) = \frac{1}{3} * f(-14)$

$g(-14) = \frac{1}{3} * 12$

$g(-14) = 4$

So, the corresponding point on $y = g(x)$ is: $(-14,4)$

7 0

2 years ago