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nikitadnepr [17]
3 years ago
12

X+21+3x+9 solve for x​

Mathematics
1 answer:
frez [133]3 years ago
7 0

Answer:

This is not an equation. It is an expression, you can't solve for x in an expression

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What is reciprocal of 4
pickupchik [31]

Answer:

1/4, 0.25

Step-by-step explanation:

The reciprocal of a number is 1 divided by the number. 1/4=0.25.

7 0
4 years ago
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Juan is saving to purchase a new computer and has saved $213. He earns $3 a day and needs at least $654 for the computer he woul
zysi [14]

Answer:

Juan has to work at least 21 weeks.

Step-by-step explanation:

Juan earns $3 a day, then he earns $21 per week.

Let x be the number of weeks Juan works. He will earn $21x in x weeks.

Juan has saved $213,

He earns $21x,

Juan's total earnings are $213+$21x.

He needs to save at least $654, so

213+21x\ge 654\\ \\21x\ge 654-213\\ \\21x\ge 441\\ \\x\ge 21

Juan has to work at least 21 weeks.

4 0
3 years ago
I think of a number times it by 2 and minus 2 my answer is nine
Vikki [24]

Answer:

5.5

Step-by-step explanation:

5.5 times 2 equals 11 minus 2 equals 9

4 0
2 years ago
Read 2 more answers
If one of the longer sides is 6.3 centimeters, what is the length of the base
Katena32 [7]

Answer: 3.1 cm

Step-by-step explanation:isosollese triangle has 2 equal sides that are longer than legnth of base

perimiter=15.7

equation is 2a+b=15.7

so if the longer side is 6.3, wat is legnth of base

we know that identical sides are bigger so 6.3 is one of the identical sides

2a means the 2 idneical sides

2(6.3)+b=15.7

12.6+b=15.7

subtract 12.6 from btohs ides

b=3.1

answer is base=3.1 cm

9 0
3 years ago
To fit between two windows, the width of a bookshelf must be no greater than 6.5 feet. Mrs. Aguilar purchases a bookshelf that i
expeople1 [14]

Answer:

The bookshelf will fit between the windows with 1 inch remaining.

Step-by-step explanation:

First, I will convert 6.5 feet to inches.

6.5 × 12 = 78 inches

So, there is 78 inches between the windows.

78 - 77 = 1 inch remaining

The bookshelf will fit between the windows with 1 inch remaining.

3 0
4 years ago
Read 2 more answers
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