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Dmitriy789 [7]
3 years ago
8

I need an answer asap please, it’s the last question

Mathematics
1 answer:
swat323 years ago
7 0
$8
2 pizzas = $24
5 drinks = $10
$6 tip
24+10+6 = 40
Since it’s 5 friends, divide by 5
40/5 = 8
Each person pays $8
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Cx/d+f=b solve for x
Harlamova29_29 [7]

\text{Hello there!}\\\\\text{Solve for x:}\\\\\frac{cx}{d}+f=b\\\\\text{Subtract f from both sides}\\\\\frac{cx}{d}=b-f\\\\\text{Multiply both sides by d}\\\\cx=d(b-f)\\\\cx=db-df\\\\\text{Divide both sides by c}\\\\x=\frac{db-df}{c}\\\\\boxed{x=\frac{db-df}{c}}

5 0
3 years ago
Ratio And Proportion
Allushta [10]

Answer:

11200 for 7 engines for a total of 80 hours

Step-by-step explanation:

You have 8 engines burning 12000 .for 10 hours.

Divide 10 hours into 12000=1200 PER hour.

1200 ÷8 engines = 140 per hour per engine.

140 × # of hours (12)=1680 for 12 hours per engine.

# of engines × 1680 for 12 hour/per engine

5×1680 = 8400 of fuel for 12 hours/5 engine

Then you have 2 that runs 10 hours

2 × 140 per hour per engine =280 × 10 =2800 for 2 engines for 10 hours

8400. + 2800= 11200 of fuel for 6 engines

4 0
3 years ago
Please help! Find the missing
Veronika [31]

Answer:

x = 13

Step-by-step explanation:

Here, we want to get the missing side

from what we have, the triangle is a right angled triangle

In this kind of triangle, the Pythagoras’ theorem works

The square of the side facing the right angle ( marked x here) is equal to the sum of the squares of the two other sides

We have this as;

x^2 = 5^2 + 12^2

x^2 = 25 + 144

x^2 = 169

x = √169

x = 13

7 0
3 years ago
. Cara is playing a game. For each dart she can toss onto a board, she
Kaylis [27]
She will need 12 seconds because -20•12=-240
6 0
3 years ago
PLEASE ANSWERRRRRRRRRRRRRRRRR
zhannawk [14.2K]

The graph suggests that the two lines meet at (3,6)

If this is true, that point must belong to both lines.

To check this, plug x=3 in both equations, and you must get y=6 once you simplifiy all the numbers.

In the first equation we have

5\cdot 3-3y= -3 \iff 3y=15+3\iff 3y=18 \iff y=6

In the second,

3+3y=21 \iff 3y=18\iff y=6

6 0
3 years ago
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