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marissa [1.9K]
2 years ago
7

PLEASE ANSWER FOR 30 POINTS

Mathematics
1 answer:
Alik [6]2 years ago
6 0

Answer:

One Solution

Step-by-step explanation:

x + 3y = 3      

x - y = -3        

4y = 6           Subtract to solve by elimination.

y = \frac{3}{2}              Divide by 4.

x - \frac{3}{2}  = -3      Substitute \frac{3}{2} for y in the original equation.

x = -\frac{3}{2}            Add \frac{3}{2}.

You might be interested in
The result after adding a set of numbers or is called a ___.
german

Answer:

The result after adding a set of numbers or is called a sum.

Step-by-step explanation:

Consider the provided information.

The four mathematical operations are:

+,-,\times ,\div

The sign + is used to add numbers.

The sign - is used to subtract the numbers.

The sign × is used for the product of the numbers.

The sign ÷ is used for division of the numbers.

When we add two or more number by using the operator + the obtained number or value is called the sum of the numbers.

For example:

Consider the number: 2 + 5 if we add the number the resulting value will be 7.

The number 7 is the sum of 2 and 5.

Thus, the result after adding a set of numbers is called a sum.

8 0
4 years ago
A crew is made up of 8 men; the rest are women. 66 1/3% of the crew are men. How many people are in the crew?
PilotLPTM [1.2K]
12 total

Set up
8/66 and x/100, cross multiply and divide for the answer
8 0
4 years ago
Can anyone help me pls I will mark brainlist !! :)))
Kay [80]

Answer:

14 inches

Step-by-step explanation:

The volume of a rectangular prism is V=l*w*h

Given the info in the problem, we have:

840=l*10*6

840=60l

14=l

The length of the prism is therefore 14 inches because volume is length*width*height and since we already have the volume, height, and width, we need to get the variable for length by itself.

5 0
3 years ago
The last option is D: 13<br> Please help im stuck
Eva8 [605]
I believe that the answer to that problem is d
8 0
3 years ago
HELP HELP HELP !!!!!
Mademuasel [1]

Answer:

4294967296 Kilograms

Step-by-step explanation:

Great Pyramid has 2^21 blocks

2^21 = 2097152, so

2097152 blocks

Blocks weigh 2^11 each

2^11 - 2048, so

2048 kg per block

2097152(number of blocks) x 2048(weight in kilograms per block) = The Great Pyramid in Egypt weighs 4294967296 Kilograms

7 0
3 years ago
Read 2 more answers
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