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lukranit [14]
3 years ago
6

Someone please help me out with this question please

Mathematics
1 answer:
vova2212 [387]3 years ago
5 0

Use Photomath , it will help all of your questions

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Les tried to evaluate 600 x 4 step by step.
mestny [16]
The answer is step 1 because it should have been 600 x 4= 100 x 6 x 4.
8 0
2 years ago
Read 2 more answers
Use the balanced scale to find the conversion factor that can be used to convert the number of blocks to the weight of the block
Sedbober [7]

Answer:

A. 1.5 pounds per block

Step-by-step explanation:

The conversion factor shows 2 blocks on the right and three 1 pound blocks on the left. It takes two 1 pound blocks to make 2 and then you get your 3rd block, making it 3 (.5 more than 2.5) needing another block to add a .5

8 0
2 years ago
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1. Add or subtract. Show your work for each problem.
Aleks04 [339]
Hi there!

a. 8x^2 - 1
(x^2 - 4x + 5) + (7x^2 + 4x - 6)
= x^2 + 7x^2 - 4x + 4x - 1
= 8x^2 - 1

b. 5x^2 + 7x - 7
(7x^2 + 4x - 6) - (2x^2 - 3x + 1)
= 7x^2 + 4x - 6 - 2x^2 + 3x - 1
= 7x^2 - 2x^2 + 4x + 3x - 6 - 1
= 5x^2 + 7x -7

Hope this helps!
4 0
3 years ago
The student council has 10 members where 5 of the members are Seniors. They need to choose a President, Vice President, Secretar
natima [27]

Answer:

P=1/42.

Step-by-step explanation:

We know that the student council has 10 members where 5 of the members are Seniors. They need to choose a President, Vice President, Secretary and Treasurer. We calculate the probability that the President is a Senior:

We calculate the number of possible combinations:

C_4^{10}=\frac{10!}{4!(10-4)!}=210

Number of favorable combinations is 5.

Threfore, the probability is

P=5/210

P=1/42.

8 0
3 years ago
Which is true?<br><br>3+2=4+1 <br><br>1+2=3+3<br><br>0+3=3+1​
julsineya [31]

3 + 2 = 4 + 1 is true

1 +2 = 3 + 3 and 0 + 3 = 3+1 is not true

7 0
3 years ago
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