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Valentin [98]
3 years ago
11

I really need help with these problems I don't understand it. Can someone help?​

Mathematics
1 answer:
Jlenok [28]3 years ago
5 0

Answer:

the oldest is 31 years old, the youngest is 15.5 years old, and the middle is 10.5 years old

Step-by-step explanation:

First you take the two halves from 10.5 and 15.5 and add the two halves to get 1. So you would make an equation. The one I used was (10+1)=(15+31)= 57

You might be interested in
A parallelogram has one angle that measures 135 degrees. What are the measures of other three angles in the parallelogram?
geniusboy [140]

Answer:

The measure of other three angles are 135° , 45° and 45°

Step-by-step explanation:

The opposite angles of a parallelogram are equal.

So if we consider a parallelogram ABCD ,

Angle A = Angle C

Angle B = Angle D

If we take angle A = 135° then angle C = 135°

SUM OF INTERIOR ANGLES OF A QUADRILATERAL IS 360°.

A+B+C+D=360°

135°+B+135°+D=360°

270°+B+D=360°

But B=D

So,2B=90°

B=45°

D=45°

So A = C = 135°

A = C = 135° B = D = 45°

A = C = 135° B = D = 45°

Read more on Brainly.in - https://brainly.in/question/15571497#readmore

6 0
3 years ago
Read 2 more answers
Please answer this in two minutes
tigry1 [53]

Answer:

x = 16

Step-by-step explanation:

The figure shown shows an inscribed angle F and central angle E. Both angles intercept the same arc.

Therefore, angle E is twice the measure of angle F, according to the central angle theorem of a circle.

Thus,

m<E = 2 * m<F

(x + 94)° = 2(55)

We can find the value of x with this equation.

x + 94 = 110

Subtract 94 from both sides

x = 110 - 94

x = 16

8 0
3 years ago
Estimate 8978 x 38 by first rounding each number so that it has only 1 nonzero digit.​
Afina-wow [57]

Answer:

9,000 x 40 = 360,000

Step-by-step explanation:

9,000 x 40 = 360,000

A one nonzero digit is a number that has only one number that's not 0. For example, 300 has only one nonzero digit.

Hope this helps!

6 0
3 years ago
Click the photo )) give three numbers between -7 and 9 that satisfy the given condition.
Veronika [31]
13 3/39 is too big, it's greater than 9, so that one is out.
16 is an integer, so that one is out too.  99/6 = 16.5, which is greater than 9, so it can't be right

So the answer is the other 3
6 0
3 years ago
Please solve these I need them
kupik [55]

Answer:

option a might be correct but I am not sure maybe you should consult a tutor because he or she may know better than me

5 0
2 years ago
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