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kirill115 [55]
3 years ago
6

What is the value of 5h(-2)+3g(0)?

Mathematics
2 answers:
lapo4ka [179]3 years ago
8 0

Answer:

  • -32

Step-by-step explanation:

<u>At x = -2, the h is calculated using the second piece::</u>

  • h(-2) = (-2 + 3)(-2 - 2) = -4

<u>At x = 0, the g is calculated using the first piece:</u>

  • g(0) = (0 + 1)² - 5 = 1 - 5 = -4

<u>The value of the given expression is:</u>

  • 5h(-2) + 3g(0) =
  • 5(-4) + 3(-4) =
  • -32
Ne4ueva [31]3 years ago
7 0
Answer: -10h

I just put it into the calculator
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After 3/4 of a minute a sloth has moved just 3/8 of a foot. what is the sloth's speed in feet per minute
Delicious77 [7]
Hello! 

So 4/4 - 3/4 = 1/4 (a quarter). So we have to find a quarter of 3/8 and add it to 3/8. First of all, we have to convert 1/4 to a percentage. The answer is 25%. 3/8 as a decimal is 0.375. 25% of 0.375 = (0.25 x 0.375 =) 0.09375. 
0.09375 + 0.375 = 0.46875. 
Now, we have to convert 0.46875 back into a fraction. 

So the answer is 5/64.

Have a great day! :)
3 0
3 years ago
GEOMETRY!!! 15 PTSSSSS
ss7ja [257]

Answer:

23) option c

    JL ≈ 9.3

25) option c

      y ≈ 9.6

Step-by-step explanation:

<h3>25)</h3>

Given in the question that,

cos(21°) = 9 / y

y = 9/cos(21°)

y = 9.64

y ≈ 9.6(nearest tenth)

<h3>23)</h3>

Given in the question that the hypotenuse of right angle triangle = 12

To find,

height of the right angle triangle

angle k = 39°

so by using trigonometry identity

cos(39) = opp/hypo

cos(39) = JL / KL

JL = cos(39)(12)

JL = 9.32

JL ≈ 9.3

<h3 />
4 0
2 years ago
Read 2 more answers
Can I get some help on this one and if you could show its done I would appreciate it. Thank you.
Andreyy89
<h3>Answer: 5.5 which is choice B</h3>

Have a look at the diagram I posted below. I marked on your image to add in another angle. This angle is also 20 degrees because of congruent alternate interior angles (horizontal lines are parallel). This angle I add in is the reference angle of the triangle

opposite the reference angle is the vertical side x

adjacent to the reference angle is the horizontal side 15

We'll use the tangent rule. Make sure your calculator is in degree mode.

tan(angle) = opposite/adjacent

tan(20) = x/15

15*tan(20) = x <<-- multiply both sides by 15

x = 15*tan(20)

x = 5.45955 <<--- use calculator; this is approximate

x = 5.5 <<--- round to one decimal place

5 0
3 years ago
Natalie has 350 pencils. She is packing them in boxes that each hold 14 pencils. How many boxes will Natalie fill with pencils?
ohaa [14]

Answer:

25

Step-by-step explanation:

350/14=25

Natalie will fill 25 boxes with pencils.

3 0
2 years ago
5.3x − 8.14 + 3.6x + 9.8
Fiesta28 [93]

Answer:

5.3x − 8.14 + 3.6x + 9.8

group the numbers on one side and the x's on the other

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solve

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Brainliest pls ;)

4 0
2 years ago
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