I really need help on this

Mathematics

2 answers:

enyata [817]2 years ago

8 0

Answer:

a is correct

Step-by-step explanation:

it is correct because we are adding

AfilCa [17]2 years ago

5 0

Answer:

Step-by-step explanation:

If there are no other numerals, then 2 is the only answer

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Consider the two triangles.

GuDViN [60]

Answer:

(A)Show that the ratios StartFraction U V Over X Y EndFraction , StartFraction W U Over Z X EndFraction , and StartFraction W V Over Z Y EndFraction are equivalent.

$\dfrac{UW}{XZ}=\dfrac{WV}{ZY}=\dfrac{UV}{XY}$

Step-by-step explanation:

In Triangles WUV and XZY:

$\angle VUW$ and \angle YXZ$ are congruent. \\\angle U W V$ and \angle X Z Y$ are congruent.\\ \angle U V W$ and \angle Z Y X$ are congruent.$

Therefore:

$\triangle UWV \cong \triangle XZY$

To show that the triangles are similar by the SSS similarity theorem, we have:

$\dfrac{UW}{XZ}=\dfrac{WV}{ZY}=\dfrac{UV}{XY}$

As a check:

$\dfrac{UW}{XZ}=\dfrac{40}{32}=1.25\\\\\dfrac{WV}{ZY}=\dfrac{60}{48}=1.25\\\\\dfrac{UV}{XY}=\dfrac{50}{40}=1.25$

The correct option is A.

4 0

2 years ago

Match the Polynomials with their names. ___ 2x 3 + 4x ___ 3x 5 + 3x 4 + x 3 ___ x 2 + 3 ___ 2x 2 + x − 5 A. Quintic trinomial B.

leonid [27]

We have that

case 1) 2x3 + 4x -----------> C. cubic binomial
The degree of the polynomial is 3----> the greater exponent is elevated to 3
the number of terms is 2

case 2) 3x 5 + 3x 4 + x 3--------> A. Quintic trinomial
The degree of the polynomial is 5----> the greater exponent is elevated to 5
the number of terms is 3

case 3) x 2 + 3----------> B. quadratic binomial
The degree of the polynomial is 2----> the greater exponent is elevated to 2
the number of terms is 2

case 4) 2x 2 + x − 5 A------------> D. quadratic trinomial
The degree of the polynomial is 2----> the greater exponent is elevated to 2
the number of terms is 3

6 0

2 years ago

I want help with this equation -1 + x = 8x - 8

Ilya [14]

Answer:

x=1

Step-by-step explanation:

To solve for x, we need to get x alone on one side of the equation.

Add one to each side of the equation. Subtract 8x from each side of the equation. Divide both sides by -7. You should get 1 as the answer.

$-1+x=8x-8\\x=8x-7\\-7x=-7\\x=1$