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3 years ago

9

Mark’s brother is five years older than Mark. Their combined ages add up to 23. How old is Mark? Write an equation to help you s

olve.

1 answer:

Tema [17]3 years ago

7 0

Should be this .. hoped this helped:)

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QveST [7]

Answer: 364 m squared

Step-by-step explanation:

to find the surface area of a rectangular prism, you must do width*length + hight*length + height*width

4 0

3 years ago

Am I correct? Please check the attachment.

Sergio039 [100]

Yes you are correct

6 0

3 years ago

Help mee A scout troop are hiking in a forest. Starting from their base, they walk 4.2km south followed by 7.1km west. They want

slega [8]

Answer:

They should walk on a bearing of 59.4 degrees

Step-by-step explanation:

Given

$South = 4.2km$

$West = 7.1km$

Required

The bearing back to the base

The given question is illustrated with the attached image.

To do this, we simply calculate the measure of angle a using:

$\tan(a) = \frac{Opposite}{Adjacent}$

$\tan(a) = \frac{7.1}{4,2}$

$\tan(a) = 1.6905$

Take arctan of both sides

$a = \tan^{-1}(1.6905)$

$a = 59.4^o$

4 0

3 years ago

2.75 + negative 1.5

MAVERICK [17]

Answer:

1.25

Step-by-step explanation:

type in your calculator:

-1.5+2.75 OR 2.75-1.5

you should get the same answer

6 0

3 years ago

Read 2 more answers

Find the third side in simplest radicle form: 8 and 34

zysi [14]

Answer:

7 $\sqrt{2}$

Step-by-step explanation:

$\sqrt{98}$ = 7 $\sqrt{2}$

5 0

3 years ago