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3 years ago

Andrew has 20 more goldfish than Todd. Together they have 50 goldfish. How many goldfish does each boy have?

Mathematics

1 answer:

Arte-miy333 [17]3 years ago

7 0

Todd has 15 and andrew has 35

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A viewfinder has a triangular lens. Some of the measurement of the length are shown below. Which of the following best represent

S_A_V [24]

Answer:

Step-by-step explanation:

First, we need to find the unknown angle of the triangle.

40 + 20 = 60

180 - 60 = 120

So the unknown angle is 120.

Then, we can use the law of sines to create a proportion.

sin(120)/8 = sin(40)/a

Then, we can simplify this.

a is about 5.9, or answer choice A.

5 0

3 years ago

3 - 5y = -37 for math 8th

hram777 [196]

Answer:

y = 8

Step-by-step explanation:

Step 1: Write equation

3 - 5y = -37

Step 2: Subtract 3 on both sides

-5y = -40

Step 3: Divide both sides by -5

y = 8

5 0

3 years ago

Please help me, I'm doing a test.

Tju [1.3M]

Answer:

(3,4)

Step-by-step explanation:

first you're going to solve the equation -2x

your equation should now be: $\left \{ {{-2x+3y\\=6} \atop {-2x=2-2y}} \right.$

next you're going to substitute the given value of -2x into the equation $-2x+3y=6$

so your equation should now be: $2-2y+3y=6$

next you're going to solve the equation for y

equation should now be: y=4

than you're going to substitute the given value of y into the equation $-2x=2-2$ × $4$

then you're going to solve the equation for x

your equation should now be: x=3

then the possible solution of the system is the order pair: (x,y)=(3,4)

4 0

3 years ago

For f(x) = 2x+1 and g(x)=x*2-7 <br> find (f/g) (x).

Lostsunrise [7]

(f/g)(x) = f(x)/g(x)
So the answer is C
I hope it will help

7 0

3 years ago

Sin2a+sin2b/cos2a+cos2b=tan(a+b)

bearhunter [10]

Are you doing formulas????????????????

7 0

3 years ago