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3 years ago

X + 4 < 8 HELP please

Mathematics

1 answer:

labwork [276]3 years ago

5 0

Answer:

x + 4 < 8

- 4 -4

x < 4

Step-by-step explanation:

So, Basically anything less than 4 is a solution for this equation.

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Fernell and Dabney shared the driving

Agata [3.3K]

Answer:

15 hours

Step-by-step explanation:

Given:

Fernell's speed $v_F= 50$ mph

Dabney's speed $v_D= 64$ mph

Denote:

$D_F$ - distance covered by Fernell

$D_D$ - distance covered by Dabney

$t_F$ - Fernell's time

$t_D$ - Dabney's time

1. If Fernell drove for 3 hours longer than Dabney, then his time is 3 hours more than Dabney's time and

$t_F=t_D+3$

2. If Fernell covered 18 miles less than Dabney, then

$D_D-D_F=18$

Use formula $D=t\cdot v$

$D_D=v_D\cdot t_D\Rightarrow D_D=64\cdot t_D\\ \\D_F=v_F\cdot t_F\Rightarrow D_F=50\cdot (t_D+3)$

Subtract from the first equation the second equation and equate it to 18:

$64t_D-50(t_D+3)=18\\ \\64t_D-50t_D-150=18\\ \\14t_D=168\\ \\t_D=12\ \text{hours}$

$t_F=t_D+3=12+3=15\ \text{hours}$

5 0

3 years ago

BEST ANSWER GETS BRAINLIEST! What expression represents the area of the triangle? A triangle has a base of 24 and a height of 10

Alborosie

Answer:

One-half times 10 times 24

Step-by-step explanation:

$area \: of \: triangle = \frac{1}{2} \times height \times base \\ \\ area \: of \: triangle = \frac{1}{2} \times 10 \times 24$

7 0

3 years ago

Read 2 more answers

The graph of a function f(x) is shown below:

Ber [7]

I wold say it is b <span>integers from −3 < y ≤ 3 </span>

6 0

3 years ago

Find the circumference of a circle with a radius of 7 centimeters. Use 3.14 as an approximation for pi . Round your answer to th

givi [52]

Hi this is the answer and explaination

I'm sorry if it's incorrect

hope's it's help

5 0

2 years ago

Need help pls..........................................

Sonja [21]

Answer:

6, -2

Step-by-step explanation:

basically It asks you what's x when y=2, which on the graph is 6, -2, and -5 I think. but there is no point on the -5 so we don't need to talk about that one.

3 0

2 years ago