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2 years ago

What is the slope of y = -4?

Mathematics

2 answers:

densk [106]2 years ago

6 0

Answer:

-4 is the slope

Step-by-step explanation:

equation is y=mx + b

m = slope

b= y intercept

Irina-Kira [14]2 years ago

4 0

There is no slope, this graph is just a straight line

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sveta [45]

Answer:

therefore, option B is correct

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2 years ago

jackie needs 0.7 meters of canvas material to make a carry-all bag for his wheelchair. If canvas is $4.18 per meter, how much w

Akimi4 [234]

4.18x.7= 2.926

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2 years ago

Julia is going to the store to buy candies. Small candies cost $4 and extra-large candies cost $12.She needs to purchase at leas

BartSMP [9]

Answer:

Small candies $=9$

Extra large candies $=12$

Step-by-step explanation:

Let small candies $=x$

Extra large candies $=y$

the number of candies is at least $20$ .

$x+y\geq20$

Cost of $1$ small candy $=\$4$

Cost of $1$ extra large candy $=\$12$

but she has only $\$180$ to spend

$4x+12y\leq180$

Solve for

$x+y=20.......(1)\\4x+12y=180.....(2)\\eqn(2)-eqn(1)\times4\\8y=100\\y=\frac{100}{8} \\y=\frac{25}{8} \\from\ eqn(1)\\x+\frac{25}{2}=20\\ x=20-\frac{25}{2} \\x=\frac{15}{2}$

Since number of candies should be integer.

let $x=7,y=13$

total spend $4\times7+12\times13=184$ which is more than $\$180$ , so this combination is not possible.

$let\ x=8,y=12\\8\times4+12\times12=176$

She has $\$4$ more so she can buy $1$ more small candy.

Hence small candy $=9$

extra large candy $=12$

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2 years ago

If a=12 and 120% of a is equal to 80% of b then what is a+b

mojhsa [17]

A=12
120% of a =80% of b
120%a = 80%b
120a/100 = 80b/100
Divide through by 100
120a = 80b
Divide through by 80
120a/80 = b
But a=12
120x 12/80 = b
18 = b
b = 18

a+b = 12 + 18 = 30

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2 years ago

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Molodets [167]

Answer:

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Step-by-step explanation:

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2 years ago

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