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Radda [10]
2 years ago
13

Scarlett has x dimes and y quarters, having no less than 16 coins worth at

Mathematics
1 answer:
stepladder [879]2 years ago
4 0

Answer:

20 dimes = 2.00

4 quarters = 1.00

Step-by-step explanation:

2.00 + 1.00 = 3.00

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(u^2+9u+2)+(2u^3+5u^2+8)
Olenka [21]

Answer:

2 u ^3+ 6 u ^2 + 9 u + 10

Step-by-step explanation:

6 0
3 years ago
What is the length of line segment dc
Kay [80]

Answer:

The answer is 3 units.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Factorise <br> a) 4p²-81<br> b) x²-13x+36
taurus [48]

Answer:

A = (2p + 9) (2p - 9)

B = (x - 9) (x - 4)

Step-by-step explanation:

For A : Rewrite 4p^2 as (2p)^2.

(2p)^2−81

Rewrite 81 as 9^2.

(2p)^2−9^2

Since both terms are perfect squares, factor using the difference of squares formula, a^2 − b^2 = ( a + b ) ( a − b ) where a = 2p and b = 9 .

(2p + 9) (2p − 9)

For B : Consider the form x^2 + bx + c . Find a pair of integers whose product is c and whose sum is b . In this case, whose product is 36 and whose sum is − 13 .

-9, -4

(x - 9) (x - 4)

I hope this helps.

7 0
3 years ago
In 3/4 pound of a spice mix there is 5/6 cup of cinnamon how much is it if it is a spice mix contain per pound?
nordsb [41]

There are 10/9 cups of cinnamon in 1 pound of spice mix

and if you wanna convert the improper fraction to a mixed number it will be 11/9

5 0
2 years ago
Consider the quadratic equation below. 4x^2-5=3x+4 Determine the correct set-up for solving the equation using the quadratic for
Kipish [7]
4x²-5=3x+4
4x²-3x-9=0

x=(3±√((-3)²-4*4*-9))/2*4

x=3±√(9+144) /8

x=(3±√153) /8

x=⅜±√153/8
4 0
2 years ago
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