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abruzzese [7]
3 years ago
14

What is the value of x?

Mathematics
2 answers:
kondor19780726 [428]3 years ago
8 0
Cos x = sin (90 - x)

cos 63 = sin (90 - 63)

cos 63 = sin 27

x = 27
kiruha [24]3 years ago
3 0

Answer:

27

Step-by-step explanation:

Just took the test

Hope it helps :D

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Rewrite the equation -30x + 2y- 100=0
Black_prince [1.1K]
Rewritten: y=15x + 50
slope: 15
y intercept: (0,50)
7 0
3 years ago
Solve the equation 4(x + 2)= 6x + 4
SIZIF [17.4K]

The answer is x=2

show you step-by-step

step 1:simplify both sides of the equation.

(4)(x)+(4)(2)=6x+4

4x+8=6x+4

step 2:subtract 6x from both sides.

4x+8-6x=6x+4-6x

-2x+8=4

step 3: subtract 8 from both sides

-2x+8-8=4-8

-2x=-4

step 4: divide both sides by -2

-2x/-2= -4/-2

x=2

that helps you


7 0
3 years ago
A coffee supply store waits until the orders for its special coffee blend reach 100 pounds before making up a batch. Coffee sell
Daniel [21]
Let x represent the number of pounds of $10.75/lb coffee used in the mix.
.. 10.75x +3.25(100 -x) = 5.65*100 . . . . . . total cost of coffee blend
.. x(10.75 -3.25) = 100*(5.65 -3.25) . . . . . .separate x-terms from non-x terms
.. x = 240/7.5 = 32

32 pounds of $10.75/lb coffee should be used
68 pounds of $3.25/lb coffee should be used
7 0
3 years ago
The volume of a cuboid is 176cm
IRISSAK [1]

Answer:

.08cm or 0.08cm

Step-by-step explanation:

First of all, we can see that 20mm is in millimeters, not centimeters.

If we convert the ones in centimeters to millimeters, it will result in decimals, which I want to avoid, but you could also do it that way.

There are 10 mm in 1 cm, so I multiply all of the values in cm by 10.

So now, we have that the volume is 1760mm, the length is 110mm, and the width is 20mm.

The formula for the volume of a cuboid is: w*l*h = volume

We have the width, length, and volume, so let's plug it in.

20*110*h=1760

To solve for h:

1. Multiply 20 and 100

2200*h=1760

2. Divide both sides by 2200

h = 1760/2200

3. Divide right side

h = 0.8

Keep in mind that this is in millimeters. In centimeters, it would be .08

6 0
3 years ago
Help im timed The ratio of strawberries to bananas in a smoothie recipe are shown in the graph below.
Dmitriy789 [7]

Answer:

D

Step-by-step explanation:

Match the x and y coordinates with strawberries and bananas.

(6,1)

(12,2)

(18,3)

7 0
2 years ago
Read 2 more answers
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