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REY [17]
3 years ago
7

Solve 7x – 5x – 3 = x + 4. A. x = 7 B. x = –10 C. x = 6 D. x = –8

Mathematics
1 answer:
enot [183]3 years ago
3 0
A. x=7 is the Answer! 
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B+7=10 what is the sum of b?
juin [17]
B = 3. Hope it helps!
5 0
3 years ago
A spinner is divided into 8 section of equal size. The sections are numbered 1 through 8. Use this information to determine the
olga_2 [115]

1) 1/8

2) 1/2

Step-by-step explanation:

1)

First of all, we notice that the spinner is divided into 8 sections of equal size.

So the number of sections is

n = 8

Secondly, we note that each section has the same size: this means that the probability of the spinner landing on each section is the same.

The probabilty of a certain event A to occur is given by

p(A)=\frac{a}{n}

where

a is the number of successfull outcomes (in which A occurs)

n is the total number of possible outcomes

Here we want to find

p(7) = probability that the spinner lands on section 7

Here we have:

a=1 (only 1 outcome is successfull: the one in which the spinner lands on section 7)

n=8

Therefore, the probability is

p(7)=\frac{1}{8}

2)

Here we want to find the probability that the spinner lands on an even numbered section.

As before, the total number of possible outcomes his:

n=8

which corresponds to: 1, 2, 3, 4, 5, 6, 7, 8

The even-numbered sections are:

2, 4, 6, 8

So, the number of successfull outcomes is

a=4

Because there are only 4 even-numbered sections.

Therefore, the probability that the spinner lands on an even numbered section is:

p(e)=\frac{a}{n}=\frac{4}{8}=\frac{1}{2}

8 0
3 years ago
Charles bought 3 Chinese dishes yesterday. Each of the dishes cost $15.25. How much did he spend on Chinese food?
emmasim [6.3K]
I believe the answer is $45.75.
I hope this helps.
If you would like an explanation of how I got this, please reply.
7 0
3 years ago
I’ll give brainliest if u answer within 30 mins
Alecsey [184]

Answer:

96.7 maybe or 6.75 or 5.67 or even 56.77

Step-by-step explanation:

EZ

6 0
2 years ago
Can three segments with length 4 cm, 6cm, and 11 cm be assembled to form an acute triangle, a right triangle, or an obtuse trian
adoni [48]

Answer:

No

Step-by-step explanation:

According to the Inequality Theorem, the sum of 2 side of a triangle must always be longer than the third one. 4 + 6 = 10 which is not larger than 11.

6 0
3 years ago
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