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3 years ago

Help me please!

Mathematics

2 answers:

amm18123 years ago

8 0

The answer is A because if you don't know how many friends there are, you won't know how many you have to buy.

Neko [114]3 years ago

6 0

I think the answer is A.

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Which expression is equivalent to 2(a+2b)-a-2b o 3a+2b o 3a-2b o a-2b

lys-0071 [83]

Answer:

a -2b

Step-by-step explanation:

2(a+2b)-a-2b

Distribute

2a+4b -a-2b

Combine like terms

a -2b

8 0

3 years ago

"noon on a monday the temperature in degrees (F) was -4°F.... at noon on Tuesday the temperature was 6 degrees higher, what is t

Studentka2010 [4]

Then the answer would be 2 degrees ferinhieght

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2 years ago

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Hai! What Is 4 Squared???

Nitella [24]

Answer:

Step-by-step explanation:

$x^{2}$ = $x$ multiplied by $x$

so $4^{2}$ = 16

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2 years ago

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What best describes the expression 6 over y?

Simora [160]

6 divided by some number.

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3 years ago

Which two points are on the graph of M(a) = - 3/4a-12?

sertanlavr [38]

Answer:

(-16, 0) and (0,-12) are exactly two points on the graph of the given equation.

Step-by-step explanation:

Here, the given expression is : $M(a) = -\frac{3}{4} a-12$

Here, let M(a) = b

⇒The equation becomes $b = -\frac{3}{4} a-12$

Now, check for all the given points for (a,b)

1) FOR (-9,0)

$RHS is -\frac{3}{4} (-9)-12 = -5.25 \neq 0$

Hence, (-9,0) is NOT on the graph.

2) FOR (-16,0)

Here, LHS = b = 0

and $RHS = -\frac{3}{4} (-16)-12 = 12-12 = 0$

Hence, LHS = RHS = 0 So, (-16,0) is on the graph.

3) FOR (0,12)

Here, LHS = b = 12

$RHS is -\frac{3}{4} (0)-12 = -12 \neq 12$

Hence, (0,12) is NOT on the graph.

4) FOR (0,-12)

Here, LHS = b = -12

$RHS is -\frac{3}{4} (0)-12 = -12$

and LHS = RHS = -12

Hence, (0,-12) is on the graph.

Hence, (-16, 0) and (0,-12) are exactly two points on the graph of the given equation.

6 0

2 years ago