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gavmur [86]
3 years ago
9

WILL GIVE BRAIN IF YOU ANSWER CORRECT

Mathematics
2 answers:
DiKsa [7]3 years ago
6 0

Answer:

C.) -2

Step-by-step explanation:

Have an amazing day luvs!!!!

xx

11111nata11111 [884]3 years ago
5 0

Answer:

C

Step-by-step explanation:

First do what’s in the parentheses. Do copy flip flip

1/4 x 4/7 = 1/7

Then do multiplication 7/5 x 1/7 = 1/5

Then multiply 1/5 by -10 and you get -2

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Lillian and Jacob work at a dry cleaners ironing shirts. Lillian can iron 25 shirts per hour, and Jacob can iron 20 shirts per h
vladimir1956 [14]

Answer:

Lillian worked 7h and Jacob worked 6h

Step-by-step explanation:

the number of hours Lillian worked are x (h)

the number of  hours Jacob worked are y (h)

                 (0 < x,y < 13)

=> Lilian ironed: 25x (shirts)

    Jacob ỉroned: 20y (shirts)

because Lillian and Jacob worked a combined 13 hours and ironed 295 shirts, we have:

\left \{ {{x+y=13} \atop {25x+20y=295}} \right. => \left \{ {{x=7} \atop {y=6}} \right.

so Lillian worked 7h and Jacob worked 6h

8 0
2 years ago
Write 900.000+80.000+500+7 in standard from.
Bas_tet [7]
980,507 i believe... maybe
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3 years ago
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How to find the volume of a composite solid
nata0808 [166]

Answer:To find the volume of a composite solid, u identify the different parts it is made of, work out the volume of each part independently, and sum up the volumes of its parts. For composite prisms, where the bases are a composite shape, the area of the bases is the sum of the areas of the parts it is made of.

7 0
2 years ago
What is the degree of the polynomial?<br><br> 4x3+3x2−9x+7
PolarNik [594]

Answer:

3

Step-by-step explanation:

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3 is the highest exponet so it is 3.

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14. True or False: Does a reflection<br> preserve congruence?
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Step-by-step explanation:
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