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Nadya [2.5K]
3 years ago
12

Solve the equation -4x-7=-3x-12

Mathematics
1 answer:
marysya [2.9K]3 years ago
5 0
X = 5 ........anything to ask please pm me
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vladimir1956 [14]

Answer:

lol

Step-by-step explanation:

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3 years ago
Will give crown to best answer!!!!!!
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The pair of points defines a line with a slope of -1 is C. (10,3) and (15,-2)
5 0
4 years ago
Please answer 26 and 27 please thank you
ser-zykov [4K]

Answer:

Part 26) 3\frac{1}{4}\ in

Part 27) 2\frac{2}{3}\ cups

Step-by-step explanation:

Part 26)

we know that

The length of Alana's hair was 9 3/4 inches

After her haircut, the length was 6 1/2 inches

To find out how many inches did she have cut subtract 6 1/2 from 9 3/4

but first

Convert mixed number to an improper fraction

9\frac{3}{4}\ in=\frac{9*4+3}{4}=\frac{39}{4}\ in

6\frac{1}{2}\ in=\frac{6*2+1}{2}=\frac{13}{2}\ in

Find the difference

\frac{39}{4}-\frac{13}{2}=\frac{39-26}{4}=\frac{13}{4}\ in

Convert to mixed number

\frac{13}{4}\ in=\frac{12}{4}+\frac{1}{4}=3\frac{1}{4}\ in

Part 27)

we have that

Emeril used a total of 7 1/4 cups of flour to make three pastries

He used 2 1/4 cup of flour for the first and 2 1/3 cups of flour for the second

To find out how much cups of flour Emeril use for the third pastry, subtract the sum of the cups of flour used in the first and second pastry from the total cups of pastry used

Let

x ----> number of cups of flour used in the third pastry

x=7\frac{1}{4}-(2\frac{1}{4} +2\frac{1}{3})

but first

Convert mixed number to an improper fraction

7\frac{1}{4}\ in=\frac{7*4+1}{4}=\frac{29}{4}\ cups

2\frac{1}{4}\ in=\frac{2*4+1}{4}=\frac{9}{4}\ cups

2\frac{1}{3}\ in=\frac{2*3+1}{3}=\frac{7}{3}\ cups

substitute

x=\frac{29}{4}-(\frac{9}{4} +\frac{7}{3})

x=\frac{20}{4} -\frac{7}{3}

x=\frac{20*3-7*4}{12}

x=\frac{32}{12}\ cups

Simplify

x=\frac{8}{3}\ cups

Convert to mixed number

\frac{8}{3}=\frac{6}{3}+\frac{2}{3}=2\frac{2}{3}\ cups

4 0
3 years ago
write and solve a proportion to complete the statement round to the nearest hundredth if necessary . 6 km equals x mi
Anarel [89]
I don't know if this is the true answer, but I would say 3.73
7 0
3 years ago
Carly has 22 coins made up of dimes and quarters. The value of the coins is more than $3.40. Which of these represents the possi
aliya0001 [1]

Answer:

Step-by-step explanation:We need the options to make a seection, but the possibilities are:

d = dimes, q = quarters

0d, 22q

1d, 21q

2d, 20q

3d, 19q

4d, 18q

5d, 17q

6d, 16q

7d, 15q

8d, 14q

9d, 13q

10d, 12q

11d, 11q

12d, 10q

13d, 9q

5 0
3 years ago
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