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BARSIC [14]
3 years ago
9

—5 + 3x + 2 = 12 Solve for x

Mathematics
2 answers:
klio [65]3 years ago
3 0

Answer:

x=5

Step-by-step explanation:

a_sh-v [17]3 years ago
3 0

Answer:

x=5

Step-by-step explanation:

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Amuseumcharges forgeneraladmission and exhibitions. Admission and 3 exhibitionscosts $45. Admission and 5 exhibitionscosts $65.
leonid [27]

Answer:

The price of the admission is 15.

Step-by-step explanation:

From the information given, you can write the following equations:

a+3e=45 (1)

a+5e=65 (2), where:

a is the admission cost

e is the exhibition cost

First, you can solve for a in (1):

a=45-3e (3)

Second, you can replace (3) in (2):

45-3e+5e=65

45+2e=65

2e=65-45

2e=20

e=20/2

e=10

Finally, you can replace the value of e in (3):

a=45-3e

a=45-3(10)

a=45-30

a=15

According to this, the price of the admission is 15.

3 0
3 years ago
Mr. Hamilton surveyed his class to find the total number of hours each of his students slept the previous night. The histogram s
grigory [225]

Answer:

6 more students

Step-by-step explanation:

hope this helps

8 0
2 years ago
What is the expression?
pentagon [3]

Step-by-step explanation:

Take a look at the picture, And tell me if am wrong

5 0
3 years ago
I Need Help Answer Plz I Need It Badly!!!
salantis [7]

Answer: Yes it is.

Step-by-step explanation: So we are already told that segment AC is congruent to segment DC. They both have a right angle, as indicated by the angle symbol, and they share side-length BC.

According to the Hypotenuse-Leg Theorem, two right triangles that have a congruent hypotenuse and a corresponding, congruent leg are congruent triangles. AC and DC are hypotenuses and they are congruent. And BC, the shared side, is a corresponding congruent leg. And since they are both right triangles, we then know that the HL Theorem applies.

3 0
2 years ago
If 3x - 6 = 21, what is the value of x - 2 ?
lora16 [44]
3x-6=21
Or,3x=27
Or,x=27/3
Or,x=9
So,Now,
X-2=9-2
=7
Hope it helps
5 0
3 years ago
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