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alexira [117]
2 years ago
8

I need help with one question ummm but can u pwease help me?

Mathematics
2 answers:
kaheart [24]2 years ago
4 0

Answer:

31 days

Step-by-step explanation:

1 week = 7 days

2 weeks = 14 days

3 weeks = 21 days

4 weeks = 28 days

28 days + 3 days = 31 days (1 standard month and 1 day)

Eva8 [605]2 years ago
3 0

Answer:

31 days BRAINLIEST

Step-by-step explanation:

7x4+3=31

7 days in week

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Enrollment is the ski/snowboard club increase by 30 percent this year. there are now 182 students in this club how many students
lbvjy [14]
127 students were in the club last year
7 0
3 years ago
A bicycle is on sale at a store for 15% off it’s original price. The original price, in dollars, of the bicycle is represented b
ASHA 777 [7]

Answer:

The answer to the question is 2

5 0
2 years ago
If f(x) = x2 + x - 8, find f(-3).
dalvyx [7]

Answer:

-17

Step-by-step explanation:

it's telling you to replace x with -3.

You have to replace all the x's with -3.

(-3)2 + (-3) - 8 = -17

5 0
2 years ago
What are the roots of the equation? x2−x−42=0 Enter your answers in the boxes.
Levart [38]

Answer:

x = 7  x = -6

Step-by-step explanation:

x^2−x−42=0

Factor

What two numbers multiply to -42 and add to -1

-7*6 = -42

-7+6 = -1

(x-7) (x+6) =0

Using the zero product property

x-7 =0   x+6 =0

x = 7  x = -6

8 0
3 years ago
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
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