MATHEMATICS MIDDLE SCHOOL

Please help and explain with these 2 math questions!!!!!!

Answers

Answer 1

Answer:

1) -10x+y=4

Now, you should substitute x in every situation.

* x=-2 => -10*(-2)+y=4... 20+y=4... y=-16

* x=-1 =>-10*(-1)+y=4... 10+y=4... y=-6

*x=0 => -10*0+y=4... y=4

* x=1 => -10*1+y=4... -10+y=4... y=14

* x=2 => -10*2+y=4... -20+y=4... y=24

2) -5x-1=y

For example: x=0

-5*0-1=-1

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There 6 pounds of apples in one bag. Make a table to show how many pound of apples are in 6 bags. How do you your answer is easonable. Explain.

Answers

Answer:

36 Pounds of Apples.

Step-by-step explanation:

Pounds: 0 6 12 18 24 30 36

0 1 2 3 4 5 6

Bags

This answer is reasonable because each bag has 6 pounds of apples in them, and there are 6 bags. 6 x 6 = 36 Pounds.

Oh yeah, and the picture is what I was going to send you (as the graph) but then I realized it wasn't accurate for your question

I really tried hard on this, hope this helps you out!

Please help
Simplify:
3(2x−9)−(5x−1)
10(x−7)−7(2x+5)

Answers

First problem
6x-27-5x+1
Answer: X-26
Second problem
10x-70-14x-35
Answer -4x-105

70% of what number is 35 ?

Answers

70% = 0,7 = 7/10

7/10 * x = 35 | (*10/7)
7/10 * 10/7 * x = 35/1 * 10/7 7/10 * 10/7 => 1
1x = 35/1 * 10 / 7
x = (35*10)/7
x = 350 / 7
x = 50

The number that is 70% of 3 is approximately 4.29. The calculation involves converting the percentage to its decimal form and then solving for the unknown value, which is the number we are trying to find.

To find the number that is 70% of 3, we can set up an equation using the concept of percentages.

Let x be the number we are looking for.

The equation can be written as:

70% of x = 3

To solve for x, we need to convert the percentage to its decimal form, which is 0.70.

0.70 * x = 3

Now, divide both sides of the equation by 0.70 to isolate x:

x = 3 / 0.70

x ≈ 4.285714285714286

Therefore, the number that is 70% of 3 is approximately 4.29. This means that if we take 70% of 4.29, we get 3. When we multiply 4.29 by 0.70 (70%), the result is approximately 3.

In conclusion, the number that is 70% of 3 is approximately 4.29. The calculation involves converting the percentage to its decimal form and then solving for the unknown value, which is the number we are trying to find.

To know more about percentage:

brainly.com/question/16797504

#SPJ6

Describe the steps you can use to find an average of fractional amounts

Answers

Answer:

Average of number is equal to sum of numbers by total no.

i.e., $Average\,=\,(Sun\,of\,numbers)/(Total\,no)$

Now when numbers/amounts are fraction then there is one extra step which is to add the fractions.

Lets say we have to find average of 2 fractions i.e., $(3)/(4)\,,\,(5)/(3)$

$\implies\,Average\,=\,((3)/(4)+(5)/(3))/(2)$

Step 1 : First to add the fractions find the LCM of denominator as There are unlike fractions

3 = 1 × 3

4 = 1 × 4

LCM of 3 and 4 = 3 × 4 = 12

Step 2: To make them like fraction we find equivalent fraction of each fraction whose denominator equal to 12

$(3)/(4)*(3)/(3)=(9)/(12)$

$(5)/(3)*(4)/(4)=(20)/(12)$

Step 3: Adding both fractions

$(9)/(12)+(20)/(12)=(9+20)/(12)=(29)/(12)$

Step 4: put these value in average formula

$\implies\,Average\,=\,\frac{(29)/(12){2}$

Step 5: Now we divide $(29)/(12)$ by 2 using fraction division .i.e., multiply the reciprocal of divisor with dividend

here 2 is divisor

Reciprocal = $(1)/(2)$

$\imples Average=(29)/(12)*(1)/(2)=(29*1)/(12*2)=(29)/(24)$

Following these steps Average of fractional amount of any no can be found.

1. first make the denominators of the set the same.
E.g. $(2)/(7)+ (4)/(3)$ = $(6)/(21) + (28)/(21)$ = $(34)/(21)$

2. Divide the total by the number of fractions added together: In this case it was 2 so:
$(34)/(21) * (1)/(2)$ = $(34)/(42)$

3. Simplify the total: $(17)/(21)$

What's 97156 divided by 107

Answers

97156 divided by 107 is 908.

At basketball practice you made 21 out of 80 shots. Which choice is closest to the percentage of shots you made?20%

25%

30%

40%

Answers

This can be written as 21/80. You put in 21 shots out of 80 shots. To make it a percent, you first have to make it into a decimal. Just divide the numerator by the denominator and you get the decimal. 21 divided by 80 equals to 0.2625. Now to make this a percent, multiply 0.2625 by 100 or just move the decimal two places to the right. The answer is 26.25. You scored is 26.25%. 26.25 percent is closer to 25, so the final answer is 25.

Hope it helps you :)

Answer:

Step-by-step explanation:

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