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stepan [7]
3 years ago
8

Where would you insert parentheses to make the statement true?

Mathematics
2 answers:
9966 [12]3 years ago
8 0
Just around the 15 and 3. So it would be

(15-3)x4+9=57

This is because (15-3)= 12
12x4=48
48+9= 57
svet-max [94.6K]3 years ago
4 0
To make this problem true you would put the parenthesis around the 15-3.
(15-3) x 4 + 9 = 57
(12) x 4 + 9 =57
48 + 9 =57
57 =57
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Determine which equation has the same solutions as the given equation. x2 − 10x − 11 = 0
cupoosta [38]

The equation x² − 10x − 11 = 0 that is equivalent to (x – 5)² = 36. Then the correct option is A.

<h3>What is an equivalent expression?</h3>

The equivalent is the expressions that are in different forms but are equal to the same value.

The equation is given below.

x² − 10x − 11 = 0

Then the equation can be written as

x² − 10x + 25 – 25 − 11 = 0

                        (x – 5)² = 36

Then the correct option is A.

The complete question is attached below.

More about the equivalent link is given below.

brainly.com/question/889935

#SPJ1

4 0
1 year ago
A triangle has the 3 angles marked as A = 2x - 6, B = x + 10,<br><br> C= 2x +1.<br><br> What is x?
Vinvika [58]
Olá!

(2x - 6) + (x+ 10) + (2x + 1) = 180

2x - 6 + x + 10 + 2x + 1 = 180

2x + x + 2x = 180 + 6 - 10 - 1

5x = 175

x = 35
3 0
3 years ago
☰ Question (part 1 of 2) This is a two-part question, make sure you answer both parts: Flo Tilla is pedal boating on Lake Azui.
Naddik [55]
For this, we use the given info plus a bit of multiplying and subtraction

part 1)

we know that she's 25 y/m
so 5 minutes simply means 25 × 5
25 \times 5 = 125 \: yards

now we simply subtract this from 1000 (the original distance)
1000 - 125 = 875 \: yards

part 2)

the total time taken is even easier to find
all we have to do is divide 1000 by 25
1000 \div 25 = 40 \: minutes
6 0
2 years ago
Written math response, please help thanks !
LekaFEV [45]

Ezpeezee:

Since we know the two angle measures equals 145...

(4x+5)+(6x-10)=145

Combine like terms and you get...

10x-5=145

Solve for x...

Add 5 on both sides and you get 150.  Then divide by 10 and you get 15.

However, we arent finished yet... We still need to find XMN.  The equation for m<XMN= 6x-10.  PLUG 15 IN FOR X...

90-10

and that simplifies to 80 degrees.

Any questions?

7 0
3 years ago
Hi! I'm really bad at math, I was wondering if anyone could help me slove these problems and explain how you got the answer? May
Ksenya-84 [330]

{12}^{2}  = 144
is the answer
3 0
3 years ago
Read 2 more answers
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