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Ivahew [28]
3 years ago
8

Sue and Fred have a combined age of 42 years. If Sue's age is 1/2 of Fred's, how old is Fred in years?

Mathematics
1 answer:
pav-90 [236]3 years ago
3 0
Ibthink it is 18
im no that sure tho

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Determine if the conditional and its converse are true. If they are both true, select which biconditional correctly represents t
Ugo [173]
The conditional,  <span>If four points are non-coplanar, then they are non-collinear, </span>is true:

This is, coplanarity is a necessary condition to be collinear.

The converse, <span>If four points are non-collinear, then they are non-coplanar, is false.

A counterexample that disproves this statement is the 4 vertices of a paralelogram, of course they are in a same plane and are not collinear.
</span> 


3 0
4 years ago
Simplify: <br> −(−3)2(5)2(7)3<br> 152<br><br> A) -343 <br> B) -127 <br> C) -75 <br> D) 126
Lilit [14]

Answer:

If I read your problem write:  126

Step-by-step explanation:

if I interpret this as

- (-3)* 2 * (5) * 2 * (7) * 3  divided by 5 * 2

we can get  126

because:

- (-3)* 2 * (5) * 2 * (7) * 3  divided by 5 * 2

= 6 * 5 * 2 *7 * 3 / (5*2)

= 60*7 * 3/ (5*2)

= 420 * 3 / 10

= 1260/10

= 126

7 0
3 years ago
Evaluate 6^0 + 6^1 +6^2 <br> 18<br> 42<br> 43
Naily [24]

Answer:

it's 18 if your talking about multiplication

It's 42 if your talking about the powers

Step-by-step explanation:

Multiplication-(6•0)+(6•1)+(6•2)= 18

The powers-(6^0)+(6^1)+(6^2)=42

3 0
3 years ago
Determine the value of mAB in the following diagram
xz_007 [3.2K]
The answer to this question is 110
8 0
3 years ago
39an angle measures 76° less than the measure of a complementary angle. what is the measure of each angle?
torisob [31]

Answer:

14 ° and 76 °

Step-by-step explanation:

We have that two angles are complementary, if the sum of their amplitudes is 90 °.

The complementary angles need not be consecutive or have any point in common.

Alpha and Beta are complementary if:

Alpha + Beta = 90 °

In this case it would be:

X - 76 ° = 90 °

X = 90 ° - 76 °

X = 14 °

Which means that each angle measures 14 ° and 76 °

7 0
3 years ago
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