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3 years ago

Evaluate the expression for the given value of x. 4x + 6 for x = 7 The solution is

Mathematics

1 answer:

miskamm [114]3 years ago

6 0

4 • 7 = 28
28 + 6 = 34
the answer to this equation is 34

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Mrs. Barker bought some books at a book sale, including 4 paperback books. 20% of all the books she bought were paperback. How m

geniusboy [140]

Answer:

Step-by-step explanation:

Number of paperback books = 4

Percentage of total books that were paperbacks = 20%

Let total number of books = x

Hence,

20% of total books = paperback books

20% of x = 4

0.2 * x = 4

0.2x = 4

0.2x / 0.2 = 4 / 0.2

x = 20

Total number of books = 20

4 0

3 years ago

Carter and his children went into a bakery where they sell cupcakes for $3 each and

GrogVix [38]

11x3=33. .50x4=2

Step-by-step explanation:

11(x) cupcakes. = $33.00

4(y) cookies. = $2.00.

$33.00 + $2.00

7 0

3 years ago

Read 2 more answers

3(x - 4) + 9 = 18 Step by step (and explanation)

Andrews [41]

Answer:

= 7

Step-by-step explanation:

3(x−4)+9=18

3 − 1 2 + 9 = 1 8

3 − 3 = 1 8

3 = 1 8+3

3 = 21

x= 21/3

x=7

3 0

3 years ago

1. It took Jed of an hour to complete his math homework on Friday. of an hour

Kobotan [32]

Correct Question:

It took Jed 5/3 of an hour to complete his math homework on Friday, 3/4 of an hour on Saturday, and 5/6 of an hour on Sunday. How many hours did he take to complete his homework altogether?

Answer:

$Total = 3\frac{1}{4}\ hours$

Step-by-step explanation:

Given

$Friday= \frac{5}{3}$

$Saturday = \frac{3}{4}$

$Sunday = \frac{5}{6}$

Required

Determine the total time spent

Total time is calculated as follows:

$Total = Friday + Saturday + Sunday$

$Total = \frac{5}{3} + \frac{3}{4} + \frac{5}{6}$

$Total = \frac{20 + 9 + 10}{12}$

$Total = \frac{39}{12}$

Divide numerator and denominator by 3

$Total = \frac{13}{4}$

$Total = 3\frac{1}{4}\ hours$

6 0

3 years ago

Due in 10 Mins please help!

kakasveta [241]

Answer:

-4

Step-by-step explanation:

-*- =+

6 0

3 years ago