MATHEMATICS MIDDLE SCHOOL

Su has 5 times as many marbles as Bertha. When Su gives Bertha 10 marbles, they have the same amount. How many marbles did they EACH have at the begining? How many did they EACH have at the end?

Answers

Answer 1
Answer:

Answer:

Part A)

The number of marbles that Su has at the beginning is 25

The number of marbles that Bertha has at the beginning is 5

Part B)

The number of marbles that Su has at the end is 15

The number of marbles that Bertha has at the end is 15

Step-by-step explanation:

Let

x------> number of marbles that Su has at the beginning

y------> number of marbles that Bertha has at the beginning

we know that

x=5y ----> equation A

x-10=y+10 ----> equation B

substitute equation A in equation B

(5y)-10=y+10

4y=20

y=5

Find the value of x

x=5(5)=25

Part A) How many marbles did they EACH have at the begining?

The number of marbles that Su has at the beginning is 25

The number of marbles that Bertha has at the beginning is 5

Part B) How many did they EACH have at the end?

x-10=y+10

so

25-10=5+10

15=15

therefore

The number of marbles that Su has at the end is 15

The number of marbles that Bertha has at the end is 15

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Harry and Terry are each told to calculate 8−(2+5)8−(2+5). Harry gets the correct answer. Terry ignores the parentheses and calculates 8−2+58−2+5. If Harry's answer is HH and Terry's answer is TT, what is H−TH−T?

Answers

Given:
Harry and Terry are to calculate8−(2+5)8−(2+5)
Harry go the right answer
Terry got 8−2+58−2+5 

Find: H-TH-H 

Solution
First, you have to get Harry’sanswer, H
H = 8−(2+5)8−(2+5)
H = 8−(7)8−(7)
H = 8−56−7
H = -48-7
H = -55 

Then get Harry’s answer, T
 T = 8−2+58−2+5
 T = 6+58-2+5
 T = 64-2+5
 T = 62+5
 T = 67 
 
Find: H-TH-H
 -55-(67)(-55)-(-55)
 -55-(-3685)-(-55)
 3630+55
3685

How do you estimate 12.062g to the nearest tens of a gram

Answers

12.602 = 10g
or if you meant tenTHs it will be 13g

brain's mother ordered a pizza thar had 12 slices for dinner. Brian ate 1/3 of the pizza,and his mother ate 1/6 of the pizza .how many slices were left?

Answers

first we have to figure out how many slices each of them ate

brian ate 1/3 of 12 which is 4
mother ate 1/6 of 12 which is 2

together they both ate 6

12-6 is 6

there were 6 slices left
Only 6 slices were left of the Pizza. Put 12 slices into a ratio 12/12. 1/3 x 4 is 4/12 so thats 4 slices brian Ate and 1/6 x 2 is 2/12 so thats 2 slices his mother ate. 2+4=6 Slices of pizza. 12-6 = 6 remaining pieces of pizza.

What is the y-intercept of the function f(x) = –negative StartFraction 2 Over 9 EndFraction.x + ? –negative StartFraction 2 Over 9 EndFraction. –negative StartFraction 1 Over 3 EndFraction. StartFraction 1 Over 3 EndFraction. StartFraction 2 Over 9 EndFraction.

Answers

Answer:

Third option

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

Where "m" is the slope of the line and "b" is the y-intercept.

Given the function f(x):

Since , you can rewrite it:

You can identify that:

Therefore, you can determine that the y-intercept of the given function is:

Observe that this matches with the third option.

Answer:

C

Step-by-step explanation:

i got it right on the quiz

veronica has 423 baseball cards she put them in 10 piles each how many piles of 10 cards did she make​

Answers

42 piles, 423/10 is technically 42.3 but you can’t have .3 of a pile of 10, so she has 42 piles (technically with 3 cards left over)

Kn + 4f = 9v
solve for n

Answers

Answer:

n=(9v-4f)/k

Step-by-step explanation:

kn+4f=9v

kn=9v-4f

n=(9v-4f)/k

Answer:

n = (-4f + 9v) ÷ k

Step-by-step explanation:

All you have to do is... flip the equation
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