2 years ago

What is the estimation of 21x94

Mathematics

2 answers:

prisoha [69]2 years ago

6 0

54 square maybe i would guess

iragen [17]2 years ago

3 0

Answer:

its a estamite just guess

Step-by-step explanation:

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10=x square root plus 2x minus 15

blsea [12.9K]

2(10)-15=x
20-15=x
x=5

4 0

2 years ago

Find the slope of the line.

ElenaW [278]

Answer:

$-\frac{5}{4}$

Step-by-step explanation:

$m=\frac{rise}{run}=\frac{-4-1}{1+3}=\frac{-5}{4} =-\frac{5}{4}$

Hope this helps.

5 0

2 years ago

Victoria set a goal for the number of boxes of Girl Scout Cookies she wants to sell. So far, she has sold 33 boxes. If this is n

WITCHER [35]

Her goal is 60 boxes. this is all the work i did basically i set it up as an equation of looking for x and that’s my work so i hope it helps :)

5 0

2 years ago

What expressions has a value equal to 28 divided by 4

nordsb [41]

Answer:

28/4=28/7

Step-by-step explanation:

when you divide 28 by 4 you get seven so if you use 7 instead of 4 to divide it's an equal value.

Sorry if it's incorrect, there wasn't a whole lot to go by! Good luck tho! :D

4 0

2 years ago

How many pounds of a 4% solution of borax must be added to 24 pounds of a

Marrrta [24]

Answer:

8 pounds of 4% solution of borax

Step-by-step explanation:

Let x be the 4% solution

24 pounds of 12% solution

obtain a 10% solution of borax that is (x+24) pounds

4% is 0.04 and 12% is 0.12 , 10% is 0.1

$0.04x+24(.12)=0.1(x+24)$

solve the equation for x

$0.04x+24(.12)=0.1(x+24)\\0.04x+2.88= 0.1x+2.4\\2.88= 0.06x+2.4\\0.48=0.06x\\x=8$

so 8 pounds of 4% solution of borax

6 0

3 years ago