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pav-90 [236]
3 years ago
5

Plz help me will give crown.

Mathematics
2 answers:
Contact [7]3 years ago
7 0

Answer:

1/3

Step-by-step explanation:

-4/15+3/5

-4/15+3×3/5×3

-4/15+9/15

-4+9/15

5/15

1/3

Hope this helps!

Darya [45]3 years ago
4 0

Answer:

1/3

Step-by-step explanation:

-4/15+3/5

-4/15+3×3/5×3

-4/15+9/15

-4+9/15

5/15

1/3

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Simplify 7 + (−3).
Damm [24]

Answer: 4

Step-by-step explanation: 7+-3 = 4

5 0
3 years ago
Read 2 more answers
Which of the following statements are true?
jolli1 [7]

Answer:

B. All diagonal matrices are square matrices.

C. The size of any square matrix is m x m, where m is a positive integer.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
I'd greatly appreciate the help-
dem82 [27]

Answer:

The 3rd option

Step-by-step explanation:

To prove that 2 triangles are similar, we need to prove that 2 pairs of their angle measurements are congruent.

This is because all triangles have 180 degrees, so if 2 pairs are congruent, the remaining angles will also be congruent

We know that m<D=m<E

We also know that m<DCA=m<ECB because they are vertical angles.

Vertical angles are always congruent.

Therefore, the triangles are similar.

The correct similarity statement would be 1, since <D corresponds with <E.

Now let's look at the 3rd Statement. To prove that two lines are similar, we would have to prove that their alternate interior angles are congruent.

A pair of alternate interior angles would be <D and B or or <E  and <A

There is no way to prove this, since we do not know any of the angle  or that measurements or if the triangles are isosceles triangles.

Hence, the correct choice would be 1 only.

7 0
3 years ago
Question is in picture need help asap
Andrej [43]
The given expression is:

\sqrt[4]{ 9^{ \frac{1}{2}x } }

4th root is equivalent to raising the expression to power \frac{1}{4}. So, re-writing the expression by converting radical to exponent:

( 9^{ \frac{1}{2}x } )^{ \frac{1}{4} } \\  \\ &#10;= 9^{ \frac{1}{8}x }

Therefore, the given expression simplifies to 9^{ \frac{1}{8}x }
6 0
3 years ago
use the substitution method to solve the system of equations choose the correct ordered pair x-y=2 2x+3y=14
k0ka [10]

Answer:

(8/5 , -2/5)

Step-by-step explanation:

x-y=2

2x+3y=14

-y=-x+2

y=x-2

2x+3(x-2)=14

2x+3x-6=14

5x-6=14

5x=8

x=8/5

y=(8/5)-2

y= -2/5

5 0
3 years ago
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