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JulijaS [17]
3 years ago
11

Divde 3/4÷5/7 what was the error 5/7÷3/4=5/7*4/3=20/21

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
3 0

he change 3/4 instead of 5/7

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Evaluate the expression.<br> 39 + 3(4 + )
natita [175]

Answer:

51

Step-by-step explanation:

39+3(4)=39+12=51

8 0
3 years ago
F(x) = x-5, g(x) =x^2 - 1 find (f+g)
DaniilM [7]
F(x)=x-5
g(x)=x^2
Now adding f(x) and g(x)
x-5+x^2-1
x^2+x-6
x^2+(3-2)x-6
x^2+3x-2x-6
x(x+3)-2(x+3)
(x-2)(x+3) answer
5 0
2 years ago
simplify the expression by combining the terms, write the terms from highest to the lowest power of the variable 4y^2+y^2-3y-6+1
Artyom0805 [142]
You have to combine like terms.

Like terms are those with the same letters raised to the same power.

These are the sums of the like terms:

1) 4y^2 + y^2 + 14y^2 = 19y^2

2) - 3y + 4y - 7y = - 6y

3) - 6 - 2 = - 8

Simplified expression: 19y^2 - 6y - 8<------------ answer
4 0
3 years ago
(d) If mZABD=60°, and point C is in the interior of ABD, then mZABC=40° and m/CBD=20°. Counterexample: m ZABC = [], m2 CBD = "
DENIUS [597]

The counter example: m∠ ABC = 35°, and m∠ CBD = 25°.

An angle is a figure in Euclidean geometry made up of two rays that share a common terminal and are referred to as the angle's sides and vertices, respectively. Angles created by two rays are in the plane where the rays are located. When two planes intersect each other will create an angle.

Point C is the interior of ABD.

The measure of angle ABD is 60°.

The measure of angle ABC is 40°.

The measure of angle CBD is 20°.

Now when we add the angle ABC and CBD:

∠ ABC + ∠ CBD = 40° + 20°

∠ ABC + ∠ CBD = 60°

∠ ABC + ∠ CBD = ∠ ABD

The counter-example will be:

∠ ABD = ∠ ABC + ∠ CBD

60° = 35° + 25°

Therefore,

∠ ABC = 35° and ∠ CBD = 25°

Learn more about angle here:

brainly.com/question/22323626

#SPJ9

5 0
1 year ago
Find the geometric means of the following sequence -7, ?, ?, ?, ?, -1, 127, 357
Free_Kalibri [48]
18,267, 2728,2729110,72829183836,261729340
4 0
2 years ago
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