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sukhopar [10]
3 years ago
9

Sue wants to use mental math to find 7x53. Write an expression she could use

Mathematics
2 answers:
Serhud [2]3 years ago
8 0
7 × 50 = 350 and 7 × 3 = 21

350 + 21 = 371
Gnesinka [82]3 years ago
8 0
50x7=350 and we need to make 371 because 53x7=371 So then you do 3x7=21 

Then  350+21=371  

Hope this helps!
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If a car travels 160 miles in 8 hours, what is the car’s speed?
nexus9112 [7]
Speed = Distance/Time = 160/8 = 20 miles/hour
6 0
3 years ago
The probability of an event happening is (11/30), what is the probability of the event not happening?
Vladimir [108]

Answer:

19/30

Step-by-step explanation:

The probability of an event happening or a event not happening is 30/30

30/30 - 11/30 = 19/30

There the answer is 19/30

3 0
3 years ago
I need help on these three PLEASE!!
Sedaia [141]
idek it looks difficult
3 0
3 years ago
Read 2 more answers
Find the sum of QR<br> 4x+33
12345 [234]

Answer:

Step-by-step explanation:

Simplifying

4x + 5 = 33

Reorder the terms:

5 + 4x = 33

Solving

5 + 4x = 33

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5' to each side of the equation.

5 + -5 + 4x = 33 + -5

Combine like terms: 5 + -5 = 0

0 + 4x = 33 + -5

4x = 33 + -5

Combine like terms: 33 + -5 = 28

4x = 28

Divide each side by '4'.

x = 7

Simplifying

x = 7

4 0
2 years ago
If anyone’s good with geometry, help me out please. I would really appreciate it.
lakkis [162]

Answer: X=2, PR=40

Step-by-step explanation:

given that the two triangles are equal/congruent

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

solve for x

10x+5=25

10x=20

x=2

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

solve for y

33=7y-2

35=7y

y=5

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

solve for PR

PR=8y

PR=8(5)

PR=40

Hope this helps!! :)

5 0
3 years ago
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