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Mariana [72]
3 years ago
13

7. Simplify: 27-2.3² 8=2²-(-2)

Mathematics
1 answer:
aleksandrvk [35]3 years ago
3 0

False.

These does not match, so it is false.

<em>Step by step:</em>

27−2.3^28 ?/= 2^2-(-2)

−13439385377.754482≠6

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The ordered pairs in the table below represent a linear function.
Dmitriy789 [7]

Answer:

slope = 2

Step-by-step explanation:

The ordered pairs are (2,3) and (5,9).

It is given that the function is linear.

Since it is linear, the graph of the function is a straight line.

Slope of the straight line is constant at all points lying on it.

Slope of a straight line containing the points (x_{1},y_{1}) and (x_{2},y_{2}) is given by:

\frac{y_{2}-y_{1} }{x_{2}-x_{1}}.

Slope of the straight line containing (2,3) and (5,9) is given by:

\frac{9-3}{5-2}=\frac{6}{3}=2.

5 0
4 years ago
Read 2 more answers
A ratio word problem 3 to 2
Shkiper50 [21]
Hi. Im guessing you want a word problem with the ratio 3:2? If yes, here is one.

There is an apple tree and orange tree. From the apple tree, 3 apples fall off. From the orange tree, 2 oranges fall of. What is the ratio of fallen apples to fallen oranges?

OR

There are 5 kids in a class. There are 3 boys. What is the ratio of boys to girls in this small class?
*First do 5-3=2 So there are 2 girls....3:2

Hope that helps! :) By the way, I know these word problems are a little kids, but they were the only ones I could think of on the spot
3 0
4 years ago
Read 2 more answers
Pasta Place needs to make pasta with garlic cream sauce for 80 guests at a party. One batch of pasta calls for 3 cups of cream a
uysha [10]

Answer:

Total pints of cream will they need for the pasta = 7 pints

Step-by-step explanation:

Given - Pasta Place needs to make pasta with garlic cream sauce for 80 guests at a party. One batch of pasta calls for 3 cups of cream and feeds 10 people. The restaurant already has 5 pints of cream in the fridge.

To find - How many more pints of cream will they need for the pasta?

Solution -

10 people = 3 cups of cream

⇒80 people = 8×3 = 24 cups of cream

Now,

We know that,

1 cup = 0.5 pints

⇒24 cup = 24×0.5 = 12 pints.

Now,

Given that, The restaurant already has 5 pints of cream in the fridge.

So,

Total pints more needed = 12 - 5 = 7 pints.

∴ we get

Total pints of cream will they need for the pasta = 7 pints

3 0
3 years ago
Which equations have 8 as a solution?
Alexandra [31]
Which equations have 8 as a solution?
Answers:
15 - n = 7
-15 -15

-n = -8
n = 8
4n = 32
n = 8

Select all the equations that have 8 as a solution.
Answers:
A and C
Explanation is above.

Hope this helps!
4 0
3 years ago
Read 2 more answers
Pierre cut the length of an 8 cm wide plank into nine pieces and arranged them as shown in the picture. The centrepiece is a squ
kow [346]

Answer: 200cm

Step-by-step explanation:

The center Planck is a square of length 8cm.

The 4 next planks are of 16 cm each

And the next 4 Planks are of 32 cm each.

8 + 4(8×2) + 4(8×4)

8 + 4(16) + 4(32)

8 + 64 + 128

200 cm

Length of the original plank is 200cm

8 0
3 years ago
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