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3 years ago

How do you graph -4x + y = -3

Mathematics

1 answer:

Natasha2012 [34]3 years ago

5 0

I hope this helps you!

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4 in. 5 in. 2 in. 4 in. 5 in. 5 in.

Eddi Din [679]

Answer:

I need to see the whole question but I believe you just add the numbers

6 0

3 years ago

How many y-intercepts does the circle x^2 + (y - 2)^2 = 16 have?

jekas [21]

Hello :
y-intercepts when : y = 0 : x² +(0-2)² = 16
x² = 12....(1)
two y-intercepts because the equation (1) has two solutions

8 0

3 years ago

Twice the difference of a number and 9 is 3. Use the variable b for the unknown number.

andrey2020 [161]

Answer:

b = 10.5

Step-by-step explanation:

2(b-9) = 3

then:

2*b + 2*-9 = 3

2b - 18 = 3

2b = 3 + 18

2b = 21

b = 21/2

b = 10.5

check:

2(10.5 - 9) = 3

2*1.5 = 3

5 0

3 years ago

To safely cross a bridge, the most a delivery truck can weigh is 4 tons. The empty truck and driver weigh a total of 5,690 pound

brilliants [131]

Answer:

Truck can safely carry 2310 pounds of cargo.

Step-by-step explanation:

Given the safety limit of weight to cross the bridge safely is 4 tons.

1 ton is equal to 2000 pounds.

so, 4 tons are equal to 2000 $\times$ 4 = 8000 pounds

Now, given that

weight of empty truck and driver = 5690 pounds

To find:

Weight of cargo that the truck can safely carry ?

Solution:

Total weight of the truck is actually the combined weight of the empty truck, the drive and the cargo carried in it.

So, Total Weight allowed = 8000 pounds = 5690 pounds + Weight of Cargo

Weight of Cargo = 8000 - 5690 pounds

Weight of Cargo = 2310 pounds

Truck can safely carry 2310 pounds of cargo.

7 0

3 years ago

The cost CC (in dollars) of making nn watches is represented by C=15n+85C=15n+85. How many watches are made when the cost is $38

dangina [55]

$\bf \stackrel{cost}{C}=15\stackrel{watches}{n}+85\qquad \boxed{C=385}\qquad \stackrel{cost}{385}=15n+85
\\\\\\
380=15n\implies \cfrac{380}{15}=n\implies \cfrac{76}{3}=n\implies 25\frac{1}{3}=n$

so, 25 whole watches and hmmmm just the wristband of another maybe.

5 0

3 years ago