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rodikova [14]
3 years ago
15

Rachel can make 3 bracelets in an hour. Oliver can make only 2 in an hour, but he already has 5 completed bracelets. Explain to

Rachel how she can use a system of equations to determine when she will have the same number of bracelets as oliver. Use complete sentences.
Pease help.
Mathematics
1 answer:
Brrunno [24]3 years ago
6 0
Y=3x
y=2x+5
Then solve with substitution:
3x=2x+5
x=5
You might be interested in
AB = x + 8
vivado [14]

Answer: The length of BC is 7

Step-by-step explanation: Assuming the lengths of the opposite sides of the quadrilateral are congruent, then

AB=DC and

AD=BC

Inputting the values of AB, DC and AD as given in the question:

x + 8 = 3x ...(1)

x + 3=? ...(2)

We have to solve for the value of x to get the actual lengths and thus ascertain BD.

From equation (1):

8 = 3x - x

8 = 2x

8/2 = x

Therefore, x = 4.

If x = 4 then equation(2) would be

4 + 3= 7.

Hence, the actual lengths of the quadrilateral are:

AB = 4 + 8. DC = 3(4)

=12. =12.

AD = 4 + 3. AD = BC

= 7. Therefore, BC = 7.

Hence, it is confirmed that quadrilateral ABCD is a parallelogram since both the opposite sides are proven to be congruent.

3 0
3 years ago
2/3+1/2<br> HURRY I NED IT ANSWERED ASAP
Sunny_sXe [5.5K]

Answer:

1 1/6 pls vote branliest

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
I NEED HELP PLEASE EXPLAIN
kari74 [83]

Answer:

The function concerning the evolution of the value of the first car is exponential and the one concerrning the value of the second car is linear

Step-by-step explanation:

1st car's drop in value ( not considering the second hand type of drop):

1.4500$

2.4050$

3.3645$

2nd car's value is dropping 3000$ every year so the function is f(n)=45000-3000n, n- number of years

6 0
3 years ago
The right triangle shown has angles X, Y, and Z and side lengths a, b, and
laiz [17]
So attached is a picture of the triangle you are talking about and listed under are the choices:

A.) Cos Z=b/c 
B.) Sin X=c/b 
C.) Tan X=b/a 
<span>D.) Tan Z=a/b
</span>
The answer would then be B. SinX = c/b.

Just remember SOH CAH TOA:

Sinθ=  Opposite         Cosθ =    Adjacent             Tanθ=   Opposite
         Hypotenuse                   Hypotenuse                        Adjacent

Using the triangle in the scenario, you just need to identify which side is which. 

Given m∠Z
Adjacent = b
Opposite = a
Hypotenuse = c

SinZ=  a         CosZ = b             TanZ= a 
            c                      c                        b

Given m∠X:

Adjacent = b
Opposite = a
Hypotenuse = c

SinX= <u> b </u>        CosX =<span><u> a </u></span>            TanX=<span><u> b </u></span>
            c                      c                        a

So the answer is B. 

Attached is a picture of how I assigned the sides depending on the angle used.

4 0
3 years ago
Solve the following to become to brainliest
Lelechka [254]

Answer:

  0

Step-by-step explanation:

To find the slope between the two given points, you can use the given formula for the slope between two points.

__

<h3>given</h3>

The points are (x1, y1) = (-3, 2) and (x2, y2) = (4, 2).

The formula is ...

  slope = (y2 -y1)/(x2 -x1)

__

<h3>use the formula</h3>

Substituting the given values into the formula gives ...

  slope = (2 -2)/(4 -(-3)) = 0/7 = 0

The slope of the line is zero.

3 0
1 year ago
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