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hram777 [196]
3 years ago
6

What number adds 10 and multiplies 21

Mathematics
2 answers:
Ne4ueva [31]3 years ago
8 0
7 and 3. 7+3=10 and 7x3=21
BaLLatris [955]3 years ago
5 0
The numbers are 7 and 3.

7 + 3 = 10
7 x 3 = 21

It is easier to factor 21 than to find the addends of 10.

1, 3, 7, 21 - are factors of 21

1, 2, 3, 4, 5, 6, 7, 8, 9 - are addends of 10. Which is more numbers to consider than the factors of 21.
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Find the value of (64/25)^-1/2 Give your answer as fraction in its simplest form.​
Elis [28]

Answer:

\frac{5}{8}

Step-by-step explanation:

(\frac{64}{25})^{-\frac{1}{2} } has a negative, fractional indice; this negative sign in this context means to make the base fraction a reciprocal (flip it!):

(\frac{25}{64})^{\frac{1}{2}} The denominator is the value by which we should root, then the numerator is the power the fraction should be raised to: [root and then raise]

\frac{(\sqrt{25})^{1}  }{(\sqrt{64})^{1}  } This fraction then becomes:

\frac{5}{8}

8 0
3 years ago
Solve for X.<br><br> -8(1 - 4x) = -104<br><br> Please show work
Mashutka [201]

Answer:

-3

Step-by-step explanation:

-8(1-4x)=-104

1-4x=-104/-8

1-4x=13

4x=1-13

4x=-12

x=-12/4

x=-3

5 0
4 years ago
CORRECT AND FIRST ANSWER GETS BRAINLIEST!!
ratelena [41]
Make a line down the other side of the E so it becomes a rectangle, find the area of the big rectangle (12•10=120 inches) then find the smaller rectangles (7•5=35 inches) since there’s two small rectangles w the same measurements the area is the same(35+35= 70 inches) , Now u wanna subtract the area of the two small rectangles ( 70-120=50 inches) the Area of the E is 50 inches

Hope I explain it okay and it helps you!
5 0
4 years ago
9) If AB = AD + DB and AD = AC, then AB = AC + DB because of the?
RSB [31]

instead of AD, you used AC because we know that they're equal
<span>the reflexive property goes like this A = B then B = A</span>

7 0
3 years ago
Can anyone give me the answer and how to do it
Gelneren [198K]

Answer:

54 - 10y

Step-by-step explanation:

Distribute each of the 3 parenthesis

= 12y + 24 - 32y + 32 - 10y - 2 ← collect like terms

= 54 - 10y

7 0
3 years ago
Read 2 more answers
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