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3 years ago

Could someone help me, please :(

Mathematics

2 answers:

evablogger [386]3 years ago

8 0

Answer:

- 7m + 8/5

Step-by-step explanation:

- 2/5 ( 15m - 4 ) - m

Multiply - 2/5 with 15m & - 4.

( - 2/5 x 15m ) - ( - 2/5 x 4 ) - m

= ( - 2 x 15m )/5 - ( - 2 x 4 )/5 - m

= - 30m/5 - ( - 8 )/5 - m

= - 6m + 8/5 - m

= - 6m - m + 8/5

= - 7m + 8/5

Triss [41]3 years ago

4 0

Answer: $\boldsymbol{-7}m + \boldsymbol{\frac{8}{5}}$

Work Shown:

$-\frac{2}{5}(15m-4)-m\\\\-\frac{2}{5}(15m)-\frac{2}{5}(-4)-m\\\\-6m+\frac{8}{5}-m\\\\\boldsymbol{-7}m + \boldsymbol{\frac{8}{5}}$

Therefore -7 goes in the first box, and $\boldsymbol{\frac{8}{5}}$ goes in the second box.

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For khan academy. Need help . Explain if you can

crimeas [40]

Answer:

y = 2/3x + 1.5

Step-by-step explanation:

The Formula for that is

y = mx + b

m = slope

b = y -intercept

so to find the slope I would do y/x or rise over run

So your slope is 2/3 ( it goes up 2 and right 3 times)

Since the line is going up and not down, it is a positive slope

y = 2/3x + b

we need to find where the line crosses the vertical / y-axis and it's at the point.... (0,<u><em>1.5</em></u>)

y = 2/3x + 1.5

Hope this helped a little!

3 0

3 years ago

How many miles from ft Lauderdale to Haiti

Sonbull [250]

Ft. Lauderdale is a city that stretches several miles, and Haiti
is a whole country, that's many miles wide and many miles high.

In order to nail down a reliable answer, you'd really need to specify
one point in Ft. Lauderdale and one point in Haiti.

If you start at the northwest end of Runway-13 at Ft. Lauderdale
Executive Airport, and take the shortest possible route to the east
end of Runway-28 at the Aeroport International de Port au Prince
at Haiti's capital city, you'd have to travel 727.57 miles.

But if you start in Ft. Lauderdale at the intersection of Griffin Rd
and Ravenswood Rd, and take the shortest possible route to the
Dispensaire de Bord-de-Mer hospital on Haiti's north coast, you'd
only have to travel 613.63 miles.

You really need to say WHERE in Ft. Lauderdale and WHERE in Haiti.

3 0

3 years ago

Read 2 more answers

3. Solve to determine the unknown variable in the

Nezavi [6.7K]

Answer:

-1,2

Step-by-step explanation:

Sorry idk hope it hope have a good night or day

6 0

3 years ago

16273

qaws [65]

Answer:

$146.625

Further explanation

Given:

At a factory, a mechanic earns $17.25 an hour.

The president of the company earns 6³/₄ times as much for each hour he works.

The janitor at the same company earns ³/₄ as much as the mechanic.

Question:

How much does the company pay for all three people employees' wages for one hour of work?

The Process:

Let us prepare a model for a mechanic earns $17.25 an hour.

Let us do multiplication on a fraction at first.

Then we make a model for the president of the company who earn 6³/₄ (six and three quarter) times as much for each hour the mechanic works. Recall that

Let's calculate how much the president of the company earns for each hour.

And we also calculate for the janitors who earn ³/₄ as much as the mechanic.

Finally, let's add up all earning to find out how much does the company pay for all three people employees' wages for one hour of work.

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Keywords: at a factory, a mechanic earns, $17.25 an hour, the president of the company, 6 3/4 times, each hour he works, the janitor, how much, pay for all, three people, employees'wages, model

Step-by-step explanation:

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3 0

3 years ago

If angle 1 and angle 2 are supplementary angles, and angle 3 and angle 2 are supplementary angles, what do you know about angle

dusya [7]

Answer:

angle 1 and angle 3 are congruent

Step-by-step explanation:

Angles supplementary to the same angle are congruent. Here both angles 1 and 3 are supplementary to angle 2, so angles 1 and 3 are congruent.

_____

If you like, you can get there algebraically:

m∠1 + m∠2 = 180

m∠3 + m∠2 = 180

Subtract the second equation from the first:

(m∠1 + m∠2) - (m∠3 + m∠2) = (180) - (180)

m∠1 -m∠3 = 0 . . . . simplify

m∠1 = m∠3 . . . . . . add m∠3

When angle measures are the same, the angles are congruent.

∠1 ≅ ∠3

4 0

4 years ago