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Step2247 [10]
3 years ago
14

Kayla won 47 super bouncy balls playing hoops at her school's game night. Later, she gave two to each of her friends. She only h

as 7 remaining. How many friends does she have? Write an equation and then solve.
Mathematics
1 answer:
PIT_PIT [208]3 years ago
4 0

Answer: 20 friends

Step-by-step explanation:

47 - 7 = 40

40 ÷ 2 = 20

Just to double check, 2 x 20 = 40 + 7 balls left over = 47

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An object weighs 55.54 newtons. What is its mass if a gravitometer indicates that g = 9.83 m/s2?
Ksivusya [100]
Force = mass * acceleration
Mass = force / acceleration
Mass = 55.54 / 9.83
Mass = <span> <span> <span> 5.6500508647 kilograms
</span></span></span>Mass = <span> <span> <span> 5.65 kilograms


</span></span></span>

3 0
3 years ago
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How many solutions does the system have? y=3x+3 y=-2x+3
STatiana [176]

Answer:

One solution (0, 3).

Step-by-step explanation:

As both expressions in x are equal to y:

3x + 3 = -2x + 3

3x + 2x = 3 - 3

5x = 0

x =0.

So y = 3(0) + 3 = 3.

8 0
2 years ago
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It cost 150 to enter the local beauty contest.
pickupchik [31]

Answer:

30,000

Step-by-step explanation:

6 0
3 years ago
If the blue radius below is perpendicular to the green chord and the segment BC is 7.6 units long, what is the length of the cho
galina1969 [7]

Answer:

The correct answer is A. 15.2 units

Step-by-step explanation:

The segment AB is congruent to the segment BC  eg AB≅BC Why?

We can prove it with the triangle congruent theorem, postulate side-side-angle

We are watching triangle ΔABO and triangle ΔCBO, they are congruent

first element side OB=OB - common side

second element side OA=OC=r - radius of the circle

third element angle ∡ABO≅∡CBO=90°

According to the postulate side-side-angle we can conclude that triangles

ΔABO≅ΔCBO (triangles are congruent)

If they are congruent all of their elements are also congruent and therefore also

side AB=BC  => AB+BC=AC,  which is chord  => 7.6+7.6=15.2 units

AC= 15.2 units ( chord )

Good luck!!!


6 0
3 years ago
i need help asap!! Which of the following statements is false? Most absolute value equations will yield two different solutions.
Bezzdna [24]

the false statement is: the absolute value of a number can be negative.

the absolute value of a number is never negative

6 0
3 years ago
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