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solmaris [256]
3 years ago
7

What multiplies to 42 and adds to -27

Mathematics
1 answer:
AlexFokin [52]3 years ago
5 0
Consider ways to multiply to get 42. Then see if the numbers can be used to make -27.

42 = 21 × 2...not going to work.
42 = 14 × 3...not going to work. (Though -14 and -3 add to -<em>17</em>)
42 = 7 × 6...not going to work.

There are no whole number solutions to this question.
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Two girls had apples for 14 days. They had 512 in total. Each girl had an equal number of apples. How many apples did each girl
frosja888 [35]
You have to divide and 512/14=36 and 8/14 and that simplified is 36 and 4/7.
8 0
3 years ago
Please help me with #'s 5&amp;6
Fynjy0 [20]

5.\\(x+3)^2+7=-2\qquad|-7\\\\(x+3)^2=-9 < 0\\\\\text{NO REAL SOLUTION}\\\\(x+3)^2=-9\to x+3=\pm\sqrt{-9}\\\\x+3=-3i\ \vee\ x+3=3i\qquad|-3\\\\\boxed{x=-3-3i\ \vee\ x=-3+3i}

6.\\4(x-10)^2=25\qquad|:4\\\\(x-10)^2=\dfrac{25}{4}\to x-10=\pm\sqrt{\dfrac{25}{4}}\\\\x-10=-\dfrac{\sqrt{25}}{\sqrt4}\ \vee\ x-10=\dfrac{\sqrt{25}}{\sqrt4}\\\\x-10=-\dfrac{5}{2}\ \vee\ x-10=\dfrac{5}{2}\\\\x-10=-2.5\ \vee\ x-10=2.5\qquad|+10\\\\\boxed{x=7.5\ \vee\ x=12.5}

7 0
3 years ago
FP!!!!!!!!!!!!!!!!!!! if ur up<br><br> ( 10 x 8 ) + 150
taurus [48]

Answer:

220

Step-by-step explanation:

<u>first we have by Bracket of BODMAS rule then we have to multiply 10 *8 = 80</u>

<u>first we have by Bracket of BODMAS rule then we have to multiply 10 *8 = 80then we have to open bracket 80 +150</u>

<u>first we have by Bracket of BODMAS rule then we have to multiply 10 *8 = 80then we have to open bracket 80 +150 = 220</u>

<u> (10*8) +15</u>

<u>Solution</u>

<u>Solution= (80) +150</u>

<u>Solution= (80) +150= 80+150</u>

<u>Solution= (80) +150= 80+150=. 220</u>

<u>Solution= (80) +150= 80+150=. 220 </u>

8 0
3 years ago
Read 2 more answers
Somebody tell me this ...
Sloan [31]
I think y= -9/12x + .5
4 0
3 years ago
Y=2x+5 y=3x−1 solve by subsitution
loris [4]

Answer:

(6,17)

Step-by-step explanation:

2x+5=3x-1

-3x        -3x

-x+5=-1

-5      -5

-x=-6

^divided by -1 on both sides

x=6

y=2x+5

y=(2)(6)+5

y=17

5 0
2 years ago
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