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yKpoI14uk [10]
3 years ago
7

Why is a wheelbarrow and example of a 2nd class lever

Mathematics
1 answer:
kodGreya [7K]3 years ago
3 0
Hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
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Please help‼️<br> Find the product. Simplify your answer.<br> -3n-(-3n2-5)
Bad White [126]

Answer:

-3n-3n2+5

Step-by-step explanation:

You can use Keep Change Change in order to simplify the problem

6 0
4 years ago
What is the area of rhombus ABCD?
nikitadnepr [17]

Answer:

16

Step-by-step explanation:

In China, it has a formula, writing S = one-half (s·h)

The B coordinate minus the D sitting mark is s, the A coordinate minus the C coordinate is h, that is, S = one half (8 × 4) = 16

3 0
3 years ago
What are the solutions of the quadratic equation (x + 3)(x +3) = 49? Ax = -2 and x = -16 Bx = 2 and x = -10 Cx = 4 and x = -10 D
Ivahew [28]

Answer:

4 and -10

Step-by-step explanation:

\displaystyle (x + 3)(x +3) = 49 \\ x^2+3x+3x+9=49 \\ x^2 +6x+9=49 \\ x^2 + 6x + 9 - 49 = 0 \\x^2+6x-40=0 \\\\ \Delta=b^2-4ac \\ \Delta=6^2-4 \cdot 1 \cdot (-40) \\ \Delta=36+160 \\ \Delta=196 \\ \\ X_{1,2}=\frac{-b \pm \sqrt{\Delta} }{2a}  \\ \\ X_1=\frac{-b+\sqrt{\Delta} }{2a} = \frac{-6+14}{2} = \frac{8}{2}=4 \\ \\ X_2=\frac{-b-\sqrt{\Delta} }{2a}  = \frac{-6-14}{2}=\frac{-20}{2} = -10

4 0
3 years ago
Katie sold 35 bags of popcorn for a fundraiser.she sold 5 times as many as aaron. How many bags did Aaron sell?
Darina [25.2K]

Answer: 7 bags of popcorn

Step-by-step explanation: In this problem, we know that Katie sold 35 bags of popcorn and she sold 5 times as many as Aaron.

We can find out how many bags of popcorn Aaron sold by dividing the number of bag of popcorn that Katie sold by 5.

35 ÷ 5 = 7

This means that Aaron sold 7 bags of popcorn for the fundraiser.

5 0
3 years ago
These circles are: <br> A. concentric<br> B. none of these<br> C. tangent<br> D. congruent
mina [271]
They are tangent to eachother as they intersect at one place and one place only.
6 0
3 years ago
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