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2 years ago

Find the value of b. A 57 B 50 C 123 D 61.5

Mathematics

1 answer:

pychu [463]2 years ago

4 0

Answer: The answer is 50

Step-by-step explanation:

I did the test

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Alice solved the following equation:

user100 [1]

A.because -18 changes into positive and that would make it 18 + 12=30 and you divided it by -3x which should have x equal to -10

7 0

3 years ago

Read 2 more answers

Solve by completing the square

Sveta_85 [38]

$\qquad\qquad\huge\underline{{\sf Answer}}☂$

Let's solve ~

$\qquad \sf \dashrightarrow \: {x}^{2} + 8x = 33$

$\qquad \sf \dashrightarrow \: {x}^{2} + 8x +16 = 33 + 16$

$\qquad \sf \dashrightarrow \: (x + 4) {}^{2} = 49$

$\qquad \sf \dashrightarrow \: x + 4 = \sqrt{49}$

$\qquad \sf \dashrightarrow \: x + 4 = \pm7$

Hence, there are two solutions ~

1. when x + 4 = 7

$\qquad \sf \dashrightarrow \: x + 4 = 7$

$\qquad \sf \dashrightarrow \: x = 7 - 4$

$\qquad \sf \dashrightarrow \: x = 3$

2. when x + 4 = -7

$\qquad \sf \dashrightarrow \: x + 4 = - 7$

$\qquad \sf \dashrightarrow \: x = - 7 - 4$

$\qquad \sf \dashrightarrow \: x = - 11$

I hope you understood ~

8 0

2 years ago

Aaron has 14 2/5 feet of rope. *He cuts it equally into 2 pieces. *He then cuts 1 of these pieces into 2/5 foot sections. How ma

Lunna [17]

He has 18 sections that are 2/5 feet long plz mark me branliest

3 0

3 years ago

Read 2 more answers

Im so lost what the answer is

Rainbow [258]

Answer:

Unfortunately, we can't do anything with 41 as it has no factors. Since $3\sqrt{41}$ is already simplified, try submitting that as your answer. If that doesn't work then try un-doing their steps and get rid of the 3:

$3\sqrt{41}$

$\sqrt{41(9)}$

$\sqrt{369}$

Hope this helps!

5 0

2 years ago

Joe bought g gallons of gasoline for $2.65 per gallon and c cans of oil for $3.45 per can. a. What expression can be used to det

Harlamova29_29 [7]

Step-by-step explanation:

PART A

a=total amount

c=cans of oil

g=gasoline

a=2.65g+3.45c

PART B

a=2.85(8.4)+3.15(6)

a=23.94+18.90

a=42.84

Hope that helped =)

8 0

3 years ago