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tiny-mole [99]
4 years ago
5

When using the method of elimination to solve the system of equations below what is the result of adding the two equations togth

er 3x-3y=3,2x+3y=7
Mathematics
1 answer:
Dafna1 [17]4 years ago
8 0

Answer:

(3×-3y=3)+(2×+3y=7)= 5×=4

5×=4

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B. Noah writes the equation 3 (x+7)=57 to represent the situation. DO YOU agree with him? Explain your answer.
KonstantinChe [14]

Answer:

Yes , i agree with Noah that the equation would be 3(x + 7) = 57

Step-by-step explanation:

P.S - The exact question is -

To find  - Noah writes the equation 3 (x+7)=57 to represent the situation.

               DO YOU agree with him? Explain your answer.

Proof -

Yes , i agree with Noah

Because in the figure we can see that there is x written 3 times and 7 written 3 time and whole the values is equal to 57 .

Because 57 is divided into x 7 x 7 x 7

∴ we can write it as

3 times x + 3 times 7 = 57

⇒3(x) + 3(7) = 57

⇒3(x+7) = 57

Ans Noah give the same equation 3 (x+7)=57

So, I agree with Noah.

4 0
3 years ago
What is the probability of spinning a 3 on a spinner numbered 1-5 and 2 on a spinner numbered 1-3?
sergij07 [2.7K]
20% and 33% :)))))))))))))))
7 0
3 years ago
Find the indicated functional value for the floor function: f(-3/2)
alekssr [168]

Answer:

find the indicated functional value for the floor function: f(-3/2)

B. 0

Step-by-step explanation:

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6 0
3 years ago
Anybody help please Mhm is this right​
Alenkasestr [34]

Answer: yes that’s right

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8 0
2 years ago
Read 2 more answers
By selling a chair for $372, Daisy loses 7%. At what price must she sell it to gain 10%.​
serious [3.7K]

Answer: $440

Step-by-step explanation:

Given selling price = $ 372

Loss % = 7%

We know, cost price = selling price × 100/100 - loss%

Therefore, cost price = 372 × 100/100 - 7

= 372 × 100/93

= $400

Now cost price = $400

Gain% = 10%

Therefore, selling price = (100 + gain%)cost price/100

= (100 + 10)400/100

= 110 × 4

= $440

5 0
3 years ago
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