2 years ago

Sue has 100 dimes and quarters. If the total value of the coins is $21.40, how many of each kind

Mathematics

1 answer:

Maru [420]2 years ago

7 0

24 dimes and 76 quarters lol

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WILL MARK BRAINLIEST A stamp collector bought 7 rare stamps for her collection. Each stamp cost $1,953. How much did the collect

IceJOKER [234]

Answer:

$13,671

Step-by-step explanation:

Each stamp cost $1,953, and the collector bought 7 of them.

1953 * 7 = 13671

The collector spent $13,671 on the stamps.

8 0

3 years ago

Given that the expression x³_ ax² + bx+c leaves the same remainder when divided by x + 1 or x-2, find 'a' in terms of 'b'.

goblinko [34]

Answer:

Hi,

a=b+3

Step-by-step explanation:

$\begin{array}{c||c|c|c|c}&x^3&x^2&x&1\\---&---&---&---&---\\&1&-a&b&c\\x=-1&&-1&a+1&-a-b-1\\---&---&---&---&---\\&1&-a-1&a+b+1&c-a-b-1\\\end{array}$

$\begin{array}{c||c|c|c|c}&x^3&x^2&x&1\\---&---&---&---&---\\&1&-a&b&c\\x=2&&2&4-2a&2b+8-4a\\---&---&---&---&---\\&1&2-a&b+4-2a&c+2b+8-4a\\\end{array}$

Thus:

c+2b+8-4a=c-a-b-1

3b-3a=-9

5 0

2 years ago

It takes 60oz of grass seed to seed 3000 square feet of lawn. At this rate how much would be needed to seed 5000 square feet of

gregori [183]

Set this up as a fraction to compare this ratio.

7 0

2 years ago

F(x)=x^2-5. if g(x)=f(x-7) what can be said of g

Anni [7]

G(x) will always be horizontally offset from f(x) by 7. The graph would appear to the right of f(x)

8 0

3 years ago

What is the greatest common factor of 8 and 20?

Tamiku [17]

You need to find the biggest number that is a factor of both 8 and 20. Factor's are whole numbers that can be multiplied by other whole numbers to get that number.

Factors of 8

1, 2, 4, 8

Factors of 20

1, 2, 4, 5, 10, 20

The greatest common factor is 4

7 0

3 years ago

Read 2 more answers