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Grace [21]
3 years ago
6

-10.0-(-3.4) also you have to simplify your answer

Mathematics
2 answers:
uysha [10]3 years ago
4 0
-13.4 is the answer. And this is simplified form
kykrilka [37]3 years ago
3 0
I think it is 13.4 but i might be wrong


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Solve for y.<br> -16y - 7y + -5 = 18<br> Y =
Anton [14]

Answer: y = - 1

Step-by-step explanation:

  1. Combine the like terms. -23y - 5 = 18
  2. Add 5 on both sides. -23y = 23
  3. Divide -23 on both sides. y = - 1
4 0
3 years ago
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as part of the carnival the school will hold a factor game marathon, it takes Archie and kel an average of 12 minutes to finish
aliina [53]
Archie and kel would have played 27 1/2 games
5 0
3 years ago
Hello help me with this question thanks in advance​
AfilCa [17]
<h2>Question #22 Answer</h2>

B. 2 in.

<h3>Explanation:</h3>

\frac{3\times4}{6}

Cross out the common factor

\frac{4}{2}\\ 2

________________________________________________________

<h2>Question #23 Answer (Picture attached)</h2>

D. proportional, equal

<h3>Explanation:</h3>

Two\ figure\ are\ sand\ to\ \\ be\ similar\ if\ the\\ Conesesponding\ sides\ we\\ proportional\ and\ the\\ Corresponding\ ongles\ are\\ equal.

If\ triangle\ ΔABC\ is\ similar\ to
Δ × yz.\ Thes
\frac{AB}{xy}=\frac{AC}{xz}=\frac{BC}{yz}

and

< A= < X,\ < B= < y\ and\ < C= < z

5 0
2 years ago
Solve by substitution. <br> 5x-3y=-4 <br> x+y=-4
GrogVix [38]

Answer:

x=-2,y=-2

Step-by-step explanation:

x+y=-4

x=-4-y--(3)

substitute (3) in (1)

5(-4-y) -3y=-4

-20-5y-3y=-4

-8y=16

y=16/-8

y=-2

substitute y in (3)

x=-4-(-2)

x=-2

5 0
3 years ago
Ishaan is 3 times as old as Christopher and is also 14 years older than Christopher.
aniked [119]
<span>The correct answer is: 21

Explanation:
Let's first assume few variables!

x = Ishann's age (in years)
y = Christopher's age (in years)

1. Ishann is 3 times as old as Christopher can be represented mathematically as:
x = 3y ---- (1)

2. Ishann is 14 years older than Christopher can be represented mathematically as:
x = y + 14 ---- (2)

Get the value of y from Equation (1) and plug it in Equation (2):

(2) => x = (x/3) + 14
3x = x + 42
2x = 42
x = 21

Hence Ishann is 21 years old!</span>
3 0
3 years ago
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