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Blizzard [7]
3 years ago
14

Solve for X 5/8 = 15/x show work pls

Mathematics
1 answer:
taurus [48]3 years ago
4 0
<span>5 = 15
---------
8 =  x
cross multiply
5x =120
5x÷5 = 120÷5
x = 24

Check
5/8 = 15/24
.625 = .625
</span><span>
</span>
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Sophia exchanged 1,000 US dollars for the south African currency. the exchange rate was 7.15 rand to $1.00.
mel-nik [20]
1 / 7.15 = 1000 / x......$ 1 to 7.15 rand = $ 1000 to x rand
cross multiply because this is a proportion
(1)(x) = (7.15)(1000)
x = 7150 <=== Sophia got 7150 rand
5 0
3 years ago
I'll give u a kith pls help
lord [1]

ANSWER:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

(−2,−16)

Equation Form:

x= −2, y= −16

8 0
3 years ago
Read 2 more answers
For all x, 5-3(x-4)=
velikii [3]

Simplify

Let's simplify step-by-step.

x(5)−3(x−4)

Distribute:

=x(5)+(−3)(x)+(−3)(−4)

=5x+−3x+12

Combine Like Terms:

=5x+−3x+12

=(5x+−3x)+(12)

=2x+12

Answer:

=2x+12

8 0
3 years ago
2m+n=7<br> 4m+3n=-10<br> Solve using substitution method
jeka57 [31]

Answer:

m=31/2, n=-24. (31/2, -24).

Step-by-step explanation:

2m+n=7

4m+3n=-10

-------------------

n=7-2m

4m+3(7-2m)=-10

4m+21-6m=-10

-2m=-10-21

-2m=-31

2m=31

m=31/2

2(31/2)+n=7

31+n=7

n=7-31

n=-24

5 0
3 years ago
Which fractions are equivalent to 4/5 and 2/7
8090 [49]

Answer: b

Step-by-step explanation:

5 0
2 years ago
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