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3 years ago

Please help with 5. Thanks

Mathematics

1 answer:

Ierofanga [76]3 years ago

5 0

4 + 1.3 = 5.3
5.3 - 5.7 = -.4
The temperature at 10pm was -.4°F
Correct me if I'm wrong. :)

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Plz help ASAP!! Explain your answer! I will mark at brainliest!!!

Rina8888 [55]

Answer:

A. 16.12 ft B. 9.64 ft

Step-by-step explanation:

For both of these, you need Pythagorean's Theorem because we have right triangles. In part A, we are given 2 legs and are asked to find the length of the hypotenuse:

$14^2+8^2=PR^2$ and

$196+64=PR^2$

and PR = 16.12 ft

In part B, we are given the length of the hypotenuse and side PQ remains the same:

$14^2+QR^2=17^2$ and

$196+QR^2=289$

$QR^2=289-196$ so

QR = 9.64 ft

3 0

3 years ago

Write the quadratic equation whose roots are 4 and 5, and whose leading coefficient is 4.

Umnica [9.8K]

Answer:

Answer: 4x² - 9x + 20 

Step-by-step explanation:

• General quadratic equation:

${ \rm{ {x}^{2} - (sum \: of \: roots)x + (product \: of \: roots) }}$

• sum of roots → 4 + 5 = 9

• product of roots → 4 × 5 = 20

• substitute:

${ \boxed{ \rm{4 {x}^{2} - 9x + 20 }}}$

3 0

3 years ago

Can someone please give me the (Answers) to this? ... please ... I need help….

salantis [7]

Answer:

Step-by-step explanation:

1. x/64 = 36/x

x^2 = 2304

x=48

2. 9/x = x/25

x^2 = 225

x=15

3. x/16 = 9/x

x^2 = 144

x=12

4. 45/x = x/81

x^2 = 3645

x=27 $\sqrt{5}$

6 0

2 years ago

I want the answer only, Due now.

klio [65]

Answer:

Write the equation then try the equation with the numbers from choice A then go down. do all of them. which ever ends up equal is the right answer.

Step-by-step explanation:

I will do the math but you try it first, then ill do the math step by step in the comments, but only if you try it first. im trusting you to try.

5 0

3 years ago

Mm E 9. Solve: 3(x+4) ≤36 x> 8 x≤8 x≤12 X>12

vampirchik [111]

Step-by-step explanation:

3(x+4) ≤ 36

3x + 12 ≤ 36

3x ≤ 24

x ≤ 8

4 0

2 years ago

Read 2 more answers