3 years ago

Please help, need help for b and c

Mathematics

1 answer:

Troyanec [42]3 years ago

7 0

Its because look at it right it the letter b

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One factor of 7x2 + 33x – 10 is

stiv31 [10]

$7x^{2} +33x-10=0$

$\implies 7x^{2} +35x-2x-10=0\\\implies7x(x+5)-2(x+5)=0\\\implies (7x-2)(x+5)=0$

$7x - 2 = 0\\\implies \boxed{\bold{x = \frac{2}{7} }}$

$x+5=0\\\implies \boxed{\bold{x=-5}}$

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3 years ago

When do you use the rate formula?

scoundrel [369]

Answer:

d. none of the above

Step-by-step explanation:

it's this because if Yu really think Abt it none of these if formula

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2 years ago

What is the sum of the degrees from a diagram with 5 vertices?

Tatiana [17]

Answer:

540 degrees

Step-by-step explanation:

The sum of the degrees from a diagram with 5 vertices = 540°

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3 years ago

Read 2 more answers

Kim buys a dress for $65 and some shirts for $15 each. Linda buys some shoes for $50 and some shirts for $20. If the girls spend

pochemuha

Answer:

5 shirts

Step-by-step explanation:

we can use the problem to get an equation:

65+15x=50+20x

subtract 50 from each side to get:

15+15x=20x

subtract 15x from each side to get:

15=5x

divide each side by 5 to get your answer:

x=5

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3 years ago

When I take half of my number and add two, I get twenty-four. What is my number?

trasher [3.6K]

The answer is 46 since if you subtracted 23 and add 2 that’s what you get

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3 years ago