3 years ago

Explanation plz help plz

Mathematics

1 answer:

marishachu [46]3 years ago

6 0

What a the question I’m confused!!!

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Answer:

4293 4743838 44u4u3

Step-by-step explanation:

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3 years ago

Solve the following: If 7a – 4b = 3, then b =

WITCHER [35]

Answer:

D (7a-3)/4

Step-by-step explanation:

7a – 4b = 3

Subtract 7a from each side

7a-7a – 4b = 3-7a

-4b = 3 -7a

Divide by -4

-4b/-4 = (3-7a)/-4

b = (7a-3)/4

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3 years ago

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Fill in the blanks using each of the numbers 0–7 exactly once, so that the percent, decimal, and fraction below are ordered from

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Step-by-step explanation:

Theres not enough information in the question

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3 years ago

Chloe was given a large box of 36 chocolates for her birthday. If she eats exactly 2 chocolates each day, how many chocolates wo

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on edge I got it right so yea

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3 years ago

Arla and kal both work in jobs they get paid by the hour in their first week on the job they each worked 40 hours and together t

gladu [14]

Answer:

Arla - $15, Kal - $17.5

Step-by-step explanation:

Let $x be Arla's hourly wage and $y be Kal's hourly wage.

1. In the first week on the job they each worked 40 hours and earned $(40x+40y) together. Their total earnings were $1300, so

40x+40y=1300.

2. In the second week on the job business was slow so Arla worked 20 hours and earned $20x, Kal worked 16 hours and earned $16y, $(20x+16y) in total. Their total pool earning was $580, so

20x+16y=580.

3. Solve the system of two equations:

$\left\{\begin{array}{l}40x+40y=1300\\20x+16y=580\end{array}\right.\Rightarrow \left\{\begin{array}{l}40x+40y=1300\\40x+32y=1160\end{array}\right..$

Subtract them:

$40y-32y=1300-1160,\\ \\8y=140,\\ \\y=\$17.5.$

Then

$40x+40\cdot 17.5=1300,\\ \\40x=1300-700,\\ \\40x=600,\\ \\x=\$15.$

4 0

3 years ago