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dimaraw [331]
3 years ago
11

Which ordered pair is the solution of the system of equations? 3x+2y=4, -2+2y=24, I need help Im very confused on how to solve t

his...
Mathematics
1 answer:
Juliette [100K]3 years ago
5 0

Answer:

x = -7.33        OR         x = \frac{-22}{3}

y = 13

Step-by-step explanation:

<u>→You can use the substitution method. First, make y by itself in (-2 + 2y = 24):</u>

-2 + 2y = 24

2y = 26

y = 13

<u>→Then, plug in 13 for y into the other equation:</u>

3x + 2y = 4

3x + 2(13) = 4

3x + 26 = 4

3x = -22

x = -7.33        OR         x = \frac{-22}{3}

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A scale drawing of a lake has a scale of 1 cm to 80 m. If the actual width of the lake is 1,000 m, what is the width of the lake
marusya05 [52]

The drawing of the lake has the scale of 1 centimeter to 80 meters.

Now, the actual width of the scale is of 1000 meters.

To find out the width of the lake on the drawing we need to convert the actual length as per the scale drawing.

Since we know that in the given scale drawing we have,

1 centimeter = 80 meters

Or we can say that

80 meters = 1 centimeter

1 meter = \frac{1}{80} meter

Now, 1000 meters should be equivalent to

\frac{1}{80} \times 1000=12.5 centimeters.

Therefore, the width of the lake on the scale drawing is 12.5 centimeters.

6 0
3 years ago
Annie got 7 flowers and gave 2 to Karen how many does she have left
TEA [102]

Answer:

5 flowers

Step-by-step explanation:

To get the answer you do 7-2

so she has 5 flowers left.

7-2=5

6 0
3 years ago
Read 2 more answers
(1+(11+31) divided by 6 )x 5
expeople1 [14]

Explanation:

The question is given below as

[1+(11+31)\div6)\times5

We will apply the pedmas rule below

P – Parentheses [{()}]

E – Exponents (Powers and Roots)

MD- Multiplication and Division (left to right) (× and ÷)

AS – Addition and Subtraction (left to right)

By applying the rule, we will have

\begin{gathered} \begin{equation*} [1+(11+31)\div6)\times5 \end{equation*} \\ [1+\frac{42}{6}]\times5 \\ [1+7]\times5 \\ 8\times5=40 \end{gathered}

Hence,

The final answer is

40

6 0
1 year ago
Is 792 divisible by 6. If so why.
MArishka [77]
792 divided by 6 is 132. so it means 792 is in the 6 times table 
8 0
3 years ago
What is 0.4 × 16.21 = ?
babunello [35]
Answer: 6.484

Explanation: used a calculator
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3 years ago
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