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Nuetrik [128]
4 years ago
5

PLZZZZZZZZZZZ HELP ITS SUPER FAST AND EASY

Mathematics
1 answer:
svetlana [45]4 years ago
7 0
I think the right one is 3.75
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Pls help thanks, i’ll give brainliest if you give me a correct answer
Citrus2011 [14]

Answer:

Equation : \frac{5}{7}x = \frac{5}{4}

Gallons needed = 1\frac{3}{4} gallons

Step-by-step explanation:

It is given that:

Gallons of paint used by Tyler = 1\frac{1}{4} = \frac{5}{4}

Area of fence painted = 5/7

Let,

x be the whole fence needed to paint.

\frac{5}{7}x = \frac{5}{4}

Because we know that 5/7 of the fence is painted with 5/4 gallons of paint.

Multiplying the equation with 7/5

\frac{7}{5}*\frac{5}{7}x=\frac{5}{4}*\frac{7}{5}\\x= \frac{7}{4}\\x = 1\frac{3}{4}

Therefore,

Equation : \frac{5}{7}x = \frac{5}{4}

Gallons needed = 1\frac{3}{4} gallons

7 0
3 years ago
If (x+1)(x-3)=12, then which of the following statements is true?
Semmy [17]

Answer:

C. x-5=0 or x+3=0

Step-by-step explanation:

Given,

(x+1)(x-3)=12

x^2+1x-3x-3=12             ( By multiplication )

x^2-2x-3=12                  ( By operating like terms )

x^2-2x-3-12=0               ( Subtracting 12 on both sides )

x^2-2x-15=0                

x^2-5x+3x-15=0            ( By middle term splitting )

x(x-5)+3(x-5)=0

(x+3)(x-5)=0

By the zero product property,

(x+3)=0\text{ or }(x-5) =0

Hence, option C is correct.

6 0
3 years ago
Read 2 more answers
Mr. Schwartz builds toy cars. He begins the week with a supply of 85 wheels, and uses 4 wheels for each car he builds. Mr. Schwa
Oksana_A [137]

solution: Mr. Schwartz will need to order more wheels after building 12 cars.

explanation:

Mr. Schwartz begins with total number of wheels = 85

he has to order more wheels once he left with less than 40 wheels

so min. no. of wheels he can use before ordering more wheels = 85-40 = 45

Mr. Schwartz uses 4 wheels to build 1 car

Mr. Schwartz uses 45 wheels to build 45÷4 = 11.25 cars

then, if he builds 12 cars then he needs 12×4 = 48 wheels

total supply of wheels he begins with = 85

wheels he used to build 12 cars = 48

so total number of wheels remaining  are = 85-48 = 37

since 37 is less than 40 so after building 12 cars Mr. Schwartz need to order more wheels.

6 0
3 years ago
Read 2 more answers
I need help with this
sergejj [24]

Answer:

20

Step-by-step explanation:

<em>5+5+5+5</em>

6 0
3 years ago
Please help, it is urgent
dedylja [7]

Answer:

7

Step-by-step explanation:

Move the decimal place.

4 0
3 years ago
Read 2 more answers
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