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3 years ago

This is probably rly easy but need help asap

Mathematics

2 answers:

Norma-Jean [14]3 years ago

8 0

Answer:

X=22

Y= 6

im prolly wrong tho

Step-by-step explanation:

Nata [24]3 years ago

3 0

Answer:

x = 16

y = 14.8

Step-by-step explanation:

hope that helped

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Candy bars cost $2 each at the concession stand. In the equation below, x represents the total number of candy bars sold, and y

MissTica

Answer:

C) The total revenue made selling candy bars.

Step-by-step explanation:

A dependent variable is one whose values depends on another variable. In y = 2x, the value of the variable y depends on x; therefore, y is the dependent variable. And since y is the total revenue made selling candy bars, the total revenue made selling candy bars is the dependent variable, which is choice C.

<em>Also, x is an independent variable, because its value does not dependent on anything—we are free to choose whichever value of x we like. </em>

4 0

3 years ago

Read 2 more answers

What is the range of possible sizes for side x? the other two sides are 8.0 and 8.5

kirza4 [7]

Answer: 0.5 < x < 16.5.

Step-by-step explanation:

Given: Two sides of triangle: 8.0 units and 8.5 units

Measure of third side = x

According to the triangle's inequality,

Sum of any two sides > third side. (i)
Difference between the sides < third side. (ii)

If x is the third side, then

x < 8+8.5 [Using (i)]

i.e. x< 16.5

Also, x > 8.5-8 [Using (ii)]

i.e. x> 0.5

Hence, Range of possible sizes for side x would be 0.5 < x < 16.5.

8 0

3 years ago

If in a triangle ac= 15 and angle abc=60 degrees what is ab?

marin [14]

Answer:

∠A=30° and AC and BC is 13 and 7.5 units respectively

Step-by-step explanation:

Given that in a right triangle ABC , right angled at C , if angle B =60 degree and AB =15 units

we have to find the remaining angles.

By angle sum property, sum of angles in right angle is 180°

∠A+∠B+∠C=180°

∠A+ 60°+90°=180

∠A=180°-150°=30°

∠A=30°

As AB= 15

Now by trigonometric ratios we find the other sides of triangle ABC

Hence, ∠A=30° and AC and BC is 13 and 7.5 unitsStep-by-step explanation:

∠A=30° and AC and BC is 13 and 7.5 units respectively

Step-by-step explanation:

Given that in a right triangle ABC , right angled at C , if angle B =60 degree and AB =15 units

we have to find the remaining angles.

By angle sum property, sum of angles in right angle is 180°

∠A+∠B+∠C=180°

∠A+ 60°+90°=180

∠A=180°-150°=30°

∠A=30°

As AB= 15

Now by trigonometric ratios we find the other sides of triangle ABC

Hence, ∠A=30° and AC and BC is 13 and 7.5 units

3 0

3 years ago

5 In a scale drawing of an airplane, 1 inch equals 3 meters. The length of the actual plane is 17 meters. What is the length of

Whitepunk [10]

Answer: 5 2/3 inches

Step-by-step explanation:

From the question, we are informed that the scale drawing of an airplane is:

1 inch = 3 meters.

Since the length of the actual plane is 17 meters, the length of the plane in the scale drawing will then be:

= 17/3

= 5 2/3 inches

4 0

3 years ago

Given that A=xy find the percentage increase in A when both X and Y increase by 10%

Lelechka [254]

A=xy
If there is 10% increase in x then,
New value of x = x + 10%of x =1.1x
similarly for y
New value of y after increase= 1.1 y
New value of A after increase in x and y = 1 .1x × 1.1 y= 1.21xy
now
increase amount in A= New value of A - old value of A
=1.21xy - xy= 0.21xy
percentage increase in A= (0.21xy÷xy )× 100= 21%

7 0

3 years ago