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gavmur [86]
4 years ago
11

Help please!!!!!!!!!

Mathematics
1 answer:
Triss [41]4 years ago
8 0
The answer is -4, hope this helped
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SOMEONE PLZ GELP WITH NUMBER ONE.
vitfil [10]

Answer:

900

Step-by-step explanation:

Each group of 3 starred angles plus the 4th angle which is an interior angle of the triangle has a total measure of 360 degrees. The sum of the measures of the three angles of the triangle is 180 degrees.

total measure of the starred angles = 4 * 360 - 180

total measure = 900 degrees

7 0
3 years ago
John's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs John $5.95 per pound, and type B
Maksim231197 [3]

Answer:

Let x = the number of lbs of Type A coffee.

We know that this month's blend used 3 times as many pounds of type B coffee as type A coffee.

Total lbs of coffee = x + 3x

The total cost then is:

($ cost for Type A)(x) + ($ cost for Type B)(3x) = $717.60

$5.65x + $4.25(3x) = $717.60

$5.65x + $12.75x = $717.60

$18.40x = $717.60

x = 39 lbs

7 0
3 years ago
A store is having a sale where winter clothes are 60% of the original price. A sweater is on sale for$30. What was the original
mr_godi [17]
If the original price is 'x', 60% of 'x' is $30


0.6*x = 30
30/0.6 = x
x = 50

The original price is $50
6 0
3 years ago
Read 2 more answers
What are the domain and range of the function f(x)=3x-1 /2
mel-nik [20]

Answer:

f(x)=3x−1

      2

Step-by-step explanation:

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined. The range is the set of all valid y values. The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

Interval Notation:

(-∞,∞)

Set-Builder Notation:

{x|x∈R}

The range is the set of all valid

y

values. Use the graph to find the range.

Interval Notation:

(−∞,∞)

Set-Builder Notation:

{y|y∈R}

Determine the domain and range.

Domain:  

(−∞,∞),{x|∈R}

Range:

(−∞,∞),{y|y∈R}

8 0
3 years ago
∠A and \angle B∠B are complementary angles. If m\angle A=(2x+30)^{\circ}∠A=(2x+30)
egoroff_w [7]

Answer:

x =21

Step-by-step explanation:

So we know that:

And that the two angles are vertical angles.

Since they are vertical angles, their measurements are equivalent. Thus, to find x, set the equations equal to each other:

Now, solve for x. Add 30 to both sides. The left side cancels:

Now, subtract 2x from both sides. The right cancels:

Thus, the value of x is 21.

6 0
3 years ago
Read 2 more answers
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