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Tcecarenko [31]
3 years ago
5

What is the value of the missing variable? 2x+4 = 20

Mathematics
2 answers:
Gemiola [76]3 years ago
7 0

Answer:

x = 8

Step-by-step explanation:

Given

2x + 4 = 20 ( subtract 4 from both sides )

2x = 16 ( divide both sides by 2 )

x = 8

Gemiola [76]3 years ago
3 0

Answer:

the answer is X=8

Step-by-step explanation:

2(8)+4=20

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A spinner has 4 equally sized sectors that are numbered 1, 2, 2 and 6. The spinner is spun twice and the product of the outcomes
Elena-2011 [213]
First thing, there is a typo in all your answers: there is no way you can get 14 as a product of the numbers of the spinner's sectors, but rather 36.

After this premise, the correct answer is A) If the product of the spins is 2, pale lilac will be used. If the product is 4, mellow sage will be used. If the product is 12, seafoam blue will be used. If the product is 1, 6 or 36, totally taupe will be used.

Explanation:

You have a spinner with 4 sectors that is spinned twice. Therefore, the possible outcomes are 4 × 4 = 16 pairs of numbers:
(1, 1) (1, 2) (1, 2) (1, 6)
(2, 1) (2, 2) (2, 2) (2, 6)
(2, 1) (2, 2) (2, 2) (2, <span>6)
</span>(6, 1) (6, 2) (6, 2) (6, <span>6)

The possible products are then,
1    2    2    6
2    4    4  12
2    4    4  12
6  12  12  36

Hence, we have:
1 possible product of 1;
4 </span><span>possible products of 2;
4</span><span> possible products of 4;
</span><span>2 possible product of 6;
</span><span>4 possible products of 12;
</span><span>1 possible product of 36.

Since the paint colors are 4, to make a fair decision, each color should be matched with 16 </span>÷ 4 = 4 total possible outcomes: the products 2, 4 and 12 each have 4 possible outcomes, the products 1, 6 and 36 together have 4 possible outcomes.

Therefore, a fair decision is taken if we match:
product 2 - color 1
product 4 - color 2
product 12 - color 3
products 1, 6 and 36 - color 4.

Hence, the only correct option is A)

3 0
3 years ago
Read 2 more answers
When p is false and q is true, then p or q is _______ true
Anastaziya [24]

Answer:

sometimes

Step-by-step explanation:

always and never would not make sense since saying it is possible that it is true or false.

7 0
3 years ago
I need this one, answer please?
Stolb23 [73]

Answer:

Pair 1.

Step-by-step explanation:

On pair 1, shape A can go into shape B with a rotation.

Pair 2 would be a translation.

Pair 3 would be a reflection across the x-axis.

Pair 4 would be a reflection across the y-axis.

6 0
4 years ago
Read 2 more answers
Find the length of x. Assume the triangles are similar.
gayaneshka [121]

Answer:

C

Step-by-step explanation:

Assuming the triangles are similar then the ratios of corresponding sides are equal, that is

\frac{2.8}{x} = \frac{2.4}{4.8} ( cross- multiply )

2.4x = 13.44 ( divide both sides by 2.4 )

x = 5.6 → C

6 0
3 years ago
Find each unit rate. Round to the nearest hundredth if necessary.
Vladimir79 [104]

Answer:

A. 50 B. 27.5

Step-by-step explanation:

8 0
3 years ago
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