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andreyandreev [35.5K]
3 years ago
7

what is -4.7+4.2 equal. please help I have a C+ in math and I need to find the answer to this question. so, please, please, plea

se, please, please help
Mathematics
1 answer:
lana66690 [7]3 years ago
3 0

Answer:

-0.5

Step-by-step explanation:

-4.7+4.2 = -0.5

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Analyze Mathematical Relationships (1)(F) Suppose the measures of ∠1 and ∠2 are in a 4 ∶ 11 ratio. Find their measures. (Diagram
Gekata [30.6K]

If the angles are complementary, we have that:

  • The measure of angle 1 is of 24º.
  • The measure of angle 2 is of 66º.

-----------------

  • If two angles are complementary, the <u>sum of their measures is 90º.</u>
  • In this problem, we suppose that angles 1 and 2 are complementary, thus:

m_1 + m_2 = 90

-----------------

  • The measures of angle 1 and angle 2 are in a 4:11 ratio, thus:

m_1 = \frac{4}{4+11} = \frac{4}{15}(m_1 + m_2)

m_2 = \frac{11}{4+11} = \frac{11}{15}(m_1 + m_2)

-----------------

Considering m_1 + m_2 = 90

m_1 = \frac{4}{15}(m_1 + m_2) = \frac{4}{15} \times 90 = 4 \times 6 = 24

m_2 = \frac{11}{15}(m_1 + m_2) = \frac{11}{15} \times 90 = 11 \times 6 = 66

The measure of angle 1 is of 24º.

The measure of angle 2 is of 66º.

A similar problem is given at brainly.com/question/24738896

4 0
3 years ago
2/100<br> + 7/10<br> ———-<br><br> Plz answer!!!
expeople1 [14]

18/25 or 0.72

hope this helped <3

3 0
3 years ago
Read 2 more answers
A paint can has a diameter of 17 centimeters and a height of 24 centimeters. What is the surface area of the can?
DiKsa [7]
A paint can is a cylinder
surface area of a cylinder = <span>2(3.14) *</span><span> r^</span>2<span> + 2(3.14)</span><span> * r * h
SA = 2(3.14) * 8.5^2 + 2(3.14) * 8.5 * 24
SA = 6.28 + 72.25 + 6.28 * 8.5 * 24
SA = 1735.73 centimeters</span>
8 0
3 years ago
Please help explanation if possible
tensa zangetsu [6.8K]

Answer:

y=-11

Step-by-step explanation:

A line can be represented by a linear equation of

y = mx + b

where m is the slope and y is the y intercept.

The slope is 0 so this function will be

y = b

Which is also called a constant function. The y intercept is -11. So the answer is

y =  - 11

8 0
3 years ago
Hat is the area of the shaded face of the cylinder is 22m give your answer to the nearest whole number and give the correct unit
noname [10]

The area of the shaded face of the cylinder is 1,520 mm².

<h3>How to find the area of the shaded area?</h3>

We can see that the shaded area of the cylinder is circular in shape.

This means that we can find the area of the shaded area by finding the area of the circle.

The radius of the circle is given as 22 mm.

The formula for finding the area of a circle is given as:

<em>Area = πr²</em>

= 3.14 × 22 × 22

= 1,519.76

≈ 1520 mm²

Therefore, we have found the area of the shaded face of the cylinder to be 1,520 mm².

Learn more about the area of a circle here: brainly.com/question/14068861

#SPJ4

Disclaimer: The question was incomplete, the complete question is attached below.

5 0
2 years ago
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