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ivann1987 [24]
3 years ago
15

Two angles are complementary. One angle is 42°. How many degrees is the other angle?

Mathematics
2 answers:
FromTheMoon [43]3 years ago
6 0
Complementary means 90 degrees so 90 - 42 = 48 which is answer b
dedylja [7]3 years ago
3 0
Answer: the answer is b:48
Explanation: 90-42=48
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Please Help Me!
alex41 [277]

Answer:

✔️2 sets of corresponding angles

<D and <S

<R and <L

✔️2 sets of corresponding sides

DR and SL

RM and LT

Step-by-step explanation:

When two polygons are congruent, it implies that they have the same shape and size. Therefore, their corresponding angles and sides are congruent to each other.

When naming congruent polygons, the arrangement of the vertices are kept in a definite order of arrangement.

Therefore, Given that polygon DRMF is congruent to SLTO, the following angles and sides correspond to each other:

<D corresponds to <S

<R corresponds to <L

<M corresponds to <T

<F corresponds to <O

For the sides, we have:

DR corresponds to SL

RM corresponds to LT

MF corresponds to TO

FD corresponds to OS.

We can select any two out of these sets of corresponding angles and sides as our answer. Thus:

✔️2 sets of corresponding angles

<D and <S

<R and <L

✔️2 sets of corresponding sides

DR and SL

RM and LT

4 0
3 years ago
20+ POINTS!!! ANSWER FAST!!!
valina [46]
♥ Which sets of numbers are closed under addition?



♥ Choose all answers that are correct.



A.


whole numbers


B.


natural numbers


C.


negative integers


D.


<span>integers  
♥are all closed under addition. 
♥Therefore ALL are right. </span>
8 0
4 years ago
Read 2 more answers
if a cone and a cylinder have the same radius and the perpendicular height of the cone is twice that of a cylinder find the rati
kykrilka [37]

Answer:

2/3

Step-by-step explanation:

h = height of the cone

Vcone = πr²h/3

H = h/2 = height of the cylinder

Vcylinder = πr²H = πr²h/2

Vcone/Vcylinder = (πr²h/3)/(πr²h/2)

= πr²h/3 x 2/πr²h

= 2/3

7 0
3 years ago
Read 2 more answers
Find an equation of the line that (a) has the same y -intercept as the line y + 5x + 9 = 0 and (b) is parallel to the line - 3x
kap26 [50]

Equation of required line is:

y = \frac{3}{4}x-9

Step-by-step explanation:

First of all we will convert both equations in slope-intercept form

y + 5x + 9 = 0

Subtracting 5x from both sides

y+9 = 0-5x\\y+9 = -5x

Subtracting 9 from both sides

y+9-9 = -5x-9\\y = -5x-9

The y-intercept is -9.

Other equation is:

- 3x + 4y = 3

Adding 3x on both sides

-3x+3x+4y = 3x+3\\4y=3x+3

Dividing both sides by 4

\frac{4y}{4} = \frac{3x+3}{4}\\y = \frac{3}{4}x+\frac{3}{4}

As the required line has y-ntercept of line y + 5x + 9 = 0

So,

b = -9

And

The line is parallel to second line, so the slopes of both will be equal

m=\frac{3}{4}

Slope-intercept form of line is:

y=mx+b

Putting values of b and m

y = \frac{3}{4}x-9

Keywords: Equation of line, Slope-intercept form

Learn more about equation of line at:

  • brainly.com/question/12973601
  • brainly.com/question/13063819

#LearnwithBrainly

6 0
3 years ago
C. Neilsen reported that children between the ages of 2 and 5 watch an average of 25 hours of television per week. Assume the va
zubka84 [21]

The following information about the mean and standard deviation has been provided:

ц=25, б=3,n=20

We need to compute Pr(X⁻≥26.3).

The corresponding z-value needed to be computed is:

Z=\frac{X-u}{o/\sqrt{n} } =\frac{26.3-25}{3/\sqrt{20}  }=1.9379

Therefor, we get that

Pr(X\geq 26.3)=Pr(Z\geq \frac{26.3-25}{3/\sqrt{20} } )=Pr(Z\geq 1.9379)\\=1-0.9737=0.026

3 0
3 years ago
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