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2 years ago

!!!!!!help please!!!!!! Lots of poibts

Mathematics

2 answers:

Lostsunrise [7]2 years ago

7 0

Answer:

C: y < 3x + 2

zubka84 [21]2 years ago

4 0

Answer:

Step-by-step explanation:

I think the answer is C not really sure..

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What is the image of (8,-5) after a reflection over the y-axis?

Rasek [7]

Answer:

(-8,-5)

Step-by-step explanation:

4 0

2 years ago

WILL GIVE A BRAINLIEST ANSWER IF UR 100% CORRECT!!

nevsk [136]

Remember $(x^m)(x^n)=x^{m+n}$
so since they're all being multiplied, just add the exponents and see which one doesn't add to 2

A. -3+5-2+2=2+0=2, yep

B. -9+0+2+5=-9+7=-2, nope

C. -3-1+1+5=-4+6=2, yep

D. -5+9-2+0=4-2=2, yep

answer is B

7 0

2 years ago

Solve each question -2+| b+7 |=8

dalvyx [7]

| b+7 | = 10; you add 2 on both sides.

| b+7 | is always positive

b+7 = 10, b = 10-7= 3.

therefore b = 3

3 0

2 years ago

Read 2 more answers

A. What are the coordinates of the vertices of the triangle below?

Viktor [21]

Answer:

Solution given:

A.coordinate are

A(-2,3)

B(0,-3)

C(4,5)

B.Each length are :

we have

length $\sqrt{(x2-x1)²+(y2-y1)²}$

now

AB: $\sqrt{(-2-0)²+(3+3)²}$ = $2\sqrt{10}$ units

BC: $\sqrt{(0-4)²+(-3-5)²}$ = $4\sqrt{5}$ units

AC: $\sqrt{(-2-4)²+(3-5)²}$ = $2\sqrt{10}$ units

C. the figure:

By using Pythagoras law

base[b]=AB=perpendicular [p]=AC

hypotenuse [h]=BC

we have

h²=p²+b²

substituting value

( $4\sqrt{5}$ )²=2p²

16*5=2*( $2\sqrt{10}$ )²

80=2*4*10

80=80

SO IT IS RIGHT ANGLED ISOSCELES TRIANGLE.

4 0

2 years ago

Martika surfs with her friends at Virginia Beach. Her friend, Mark, caught 8 waves out of 20 possible waves to ride in to shore.

avanturin [10]

Answer:

20 waves

Step-by-step explanation:

Out of 50 waves, Mark will catch 20 waves. To find this, first, you have to put it into a ratio.

8 x

--- = -----

20 50

To solve this, you need to multiply 8 x 50, which is 400. Next you need to divide 400 by 20, which is 20 waves.

This means x = 20 waves.

Hope this helped!! :) If you have any questions, make sure to comment!!

3 0

2 years ago