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andrey2020 [161]
3 years ago
14

If h(x) = 3x − 1 and j(x) = −2x, solve h[j(2)] and select the correct answer below.

Mathematics
1 answer:
mamaluj [8]3 years ago
5 0

Answer:

- 13

Step-by-step explanation:

To evaluate h(j(2)) substitute x = 2 into j(x) then substitute the value obtained into h(x)

j(2) = - 2 × 2 = - 4, then

h(- 4) = (3 × - 4) - 1 = - 12 - 1 = - 13

Hence h(j(2)) = - 13

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Ander makes a scale drawing of a tower. He uses scale of ' 1 cm represents 5 m. The tower in real life is 125 m high. How high i
Anastasy [175]

Answer:

25 cm

Step-by-step explanation:

125/5 = 25

hope this helped?

3 0
3 years ago
This includes evaluate numerica expressions
kkurt [141]

Answer:

1. (29 + 19) ➗ 3

     (48) ➗ 3

     48➗ 3

There are 16 cards in each pile

Step-by-step explanation:

2. 14           3. 110           4. 71       5. 54          6. 16            7. 23

8. 75          9. 32           10. 22     11. 20         12. 48          13. 53

14. Spit 6 in half to get Melinda's length so the answer is 3

15.  No the answer is not the same because you have to minus 18 to 8 (which is in the parenthesis) so the answer is 10.  But the other way around you have to add 15 (which is in the parenthesis) plus 5.

I really hope I helped you

6 0
2 years ago
Can u help me
fiasKO [112]

The diagram shows that FG = IJ are congruent segments due to the double tickmarks. These are the hypotenuses of the right triangles.

So that takes care of the "H" in "HL".

The L stands for "leg", so we need to have a congruent pair of corresponding legs.

Due to the orientation of the triangles, it's not clear how the corresponding legs match up, but if any of the following is true

  • EF = IK
  • EF = JK
  • EG = IK
  • EG = JK

then we'd have enough to use HL.

4 0
3 years ago
!!PLEASE HELP!! CAN GIVE BRAINLIEST!!
lara31 [8.8K]

Answer:

'The closest distance between Earth and Jupiter is greater than the closest distance between Earth and Mercury by approximately 7.66 times'.

Step-by-step explanation:

We are given that,

Distance between Earth and Jupiter = 5.9 × 10⁸ kilometers

Distance between Earth and Mercury = 7.7 × 10⁷ = 0.77 × 10⁸ kilometers

So, we see that,

5.9 × 10⁸ > 0.77 × 10⁸

Also, Ratio = \frac{5.9\times 10^8}{0.77\times 10^8} =7.66

That is,

'The closest distance between Earth and Jupiter is greater than the closest distance between Earth and Mercury by approximately 7.66 times'.

4 0
3 years ago
- 7th Grade Work -<br><br> I rlly need help ; - ;
Tanya [424]

Answer:

The length would be 1.5x + 5.

Step-by-step explanation:

So first with this, note that 2 length + 2 height gives the perimeter of the rectangle.

Given this:

2(1/2x + 4) + 2(?) = 4x+18

x+8 + 2(?) = 4x+18

2(?) = 3x+10

? = 1.5x+5

1.5x + 5 = 1.5x + 5

The length would be 1.5x + 5.

To double check, by plugging in 1.5x + 5 back into the equation for the perimeter, you will get the same perimeter:

2(1.5x + 5) + 2(1/2x+4) = P

3x+10 + x+8 = P

4x + 18 = P

8 0
3 years ago
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