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Yuki888 [10]
3 years ago
6

I need help pls pls pls pls​

Mathematics
1 answer:
laiz [17]3 years ago
7 0

Answer:

D.  4

Step-by-step explanation:

If he leaves the science assignments for the next day, he will spend zero hours on science assignments.  This means that y is equal to 0.  Plug this into the given equation and solve for x.

2x + y = 8

2x + 0 = 8

2x = 8

x = 4

Gerald can complete 4 math assignments.

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Work out the area of a rectangle with base, b = 36mm and perimeter, P = 94mm.​
Alenkasestr [34]

Answer:

396

Step-by-step explanation:

A = bw

A = 36w

P = 2w + 2b

94 = 2w + 2(36)

94 = 2w + 72

-72           -72

--------------------

22 = 2w

----    ----

2       2

11 = w

A = 36(11)

A = 396

The area of the rectangle will be 396.

7 0
3 years ago
What type of right triangle would you use this formula for and why? <br><br>c=2a​
levacccp [35]

Answer:

30 60 90 triangle

the hypotenuse is twice the length of the shorter leg length.

7 0
3 years ago
If 64 feet of rope weighs 20 pounds how much will 80 feet of the same type of rope weigh?​
worty [1.4K]

Answer:

25 pounds, hope its right

Step-by-step explanation

7 0
3 years ago
Rearrange the quadration equation so that it is equal to 0. Then factor the equation.
Alenkasestr [34]
What is the equation?
4 0
3 years ago
Guys i need your HELP ASAP​
ivanzaharov [21]
To solve this, you’ll first need to solve for their slopes.

The slope for line Q is y2-y1/x2-x1 = -8-(-2)/-8-(-10) = -3

We know that the lines are perpendicular so the negative reciprocal of -3 is 1/3

The equation you get it y = 1/3x + b.

Now you will need to solve for b by substituting in the first ordered pair of line R.

2 = 1/3(1) + b.

Once you solve for b, you should get 5/3 and y = 1/3x + 5/3

Now, to find a, you will need to substitute in 10 from the second ordered pair into x in your new equation.

y = 1/3(10) + 5/3.

Your solution should be 5.

So your answer is: a = 5
8 0
3 years ago
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