MATHEMATICS HIGH SCHOOL

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Answers

Answer 1
Answer:

Answer:

option first cause

-2(y-5)= 3y+10-5y

-2y+10=-2y+10

Step-by-step explanation:

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Expand and simplify (2x+1)(3x-4)

Answers

(2x + 1) (3x - 4)
= 6x^2 - 8x + 3x - 4
= 6x^2 - 5x - 4
e=6x^2-8+3x-4S=6x^2+3x-12

If a 143-mile trip took 5 1/2 gallons of gas, how many miles can be driven with a full tank of 14 gallons?

Answers

Set up the proportion:    143/5.5 = x/14

Cross-multiply the proportion:  (143) (14) = 5.5 x

Divide each side by 5.5 :    x = (143) (14) / 5.5 = 364 miles

What is the value of w in the equation 1/2w+7=2w-2

Answers

(1)/(2)w+7=2w-2\ \ \ \ |subtract\ 7\ from\ both\ sides\n\n(1)/(2)w=2w-9\ \ \ \ |subtract\ 2w\ from\ both\ sides\n\n-1(1)/(2)w=-9\n\n-1.5w=-9\ \ \ \ |divide\ both\ sides\ by\ (-1.5)\n\n\boxed{w=6}

Select the correct product. (j + 7)(k - 5)

Answers

Foil the equation; j*k, j*-5, 7*k, 7*-5, once you foil add like terms.

jk - 5j +7k - 35 is the final answer

Answer:

jk - 5j + 7k - 35

Step-by-step explanation:

Find the product of (–d + e)(4e + d). Which statements are true? Check all that apply.A=There are 2 terms in the product.
B=There are 3 terms in the product.
C=There are 4 terms in the product.
D=The product is degree 1.
E=The product is degree 2.
F=The product is degree 4.

Answers

Answer:

the Anser is B and E

Step-by-step explanation:

In equation, (-d + e)( 4e + d) will be (-4ed - d^2 + 4e^2 +ed ) to simplify we combine the terms with the same variables such as d^2, e^2 and ed. The equation becomes, 4e^2 - 3ed - d^2 . The product has 3 terms with a degree of 2. The statements that are true are B and E.

The product of (-d + e)(4e+d) is 4e²-d²-3ed.

The correct option is B and E.

What is expression?

An expression is a combination of numbers, variables, functions such as addition, subtraction, multiplication or division etc.

Given: (-d + e)( 4e + d)

Applying the distributive two times:

= -d*4e-d*d+4e*e+d*e

=-4ed-d²+4e²+ed

=4e²-d²-3ed.

Thus,  (-d + e)( 4e + d) = 4e²-d²-3ed.

Hence, The product has 3terms with a degree of 2.

Learn more about expression here:

brainly.com/question/14083225

#SPJ5

The toll on the Islands Bridge is $1.00 for carand driver and $.75 for each additional
passenger. How many people were riding in a
car for which the toll was $3.25?
(A) 2
(B) 3
(C) 4
(D) 5
(E) none of these

Answers

Answer:

C. 4

Step-by-step explanation:

1 dollar for the driver. 75 cents extra for each extra person.

1.00 + .75 + .75 + .75 (1 driver and 3 passengers) = 3.25.

Answer:

Step-by-step explanation:

your answer is B. 3

explanation: 1.00+0.75+0.75+0.75= $3.25
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