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Juli2301 [7.4K]
3 years ago
6

3sqrt x - 4=5 solve for x

Mathematics
1 answer:
andrezito [222]3 years ago
3 0
3\sqrt{x}-4=5\ \ \ \ |add\ 4\ to\ both\ sides\\\\3\sqrt{x}=9\ \ \ \ |divide\ both\ sides\ by\ 3\\\\\sqrt{x}=3\ \ \ \ |square\ both\ sides\\\\\boxed{x=9}
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At an archeological​ site, the remains of two ancient step pyramids are congruent. If ABCD is congruent to EFGH, find GH
Alona [7]

Answer:

40 ft

Step-by-step explanation:

If two polygons are congruent to one another, therefore, it implies that the angles and sides of one is congruent to the corresponding sides and angles of the other.

Given that ABCD is congruent to EFGH, therefore:

CD ≅ GH

Since CD = 40 ft, therefore, GH will be 40 ft.

8 0
3 years ago
Luis has a $10 and three $5 bills. He spends $12.75 on entrance fee to an amusement park and $8.50 on snacks. How much does he h
Ulleksa [173]
3x5=$15
15+10=$25 total to spend

He spends 12.75+8.5= $21.25

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6 0
2 years ago
Solve for X question 14
prisoha [69]

Answer:

x=2

Step-by-step explanation:

hope this helps

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4 0
2 years ago
Another United States traveler arrives at a United States point of entry. He has purchased a Flat car abroad that cost him
mart [117]

Answer:

The duty he has to pay is  156.25$.

Step-by-step explanation:

We know that for foreign-made vehicles imported into the U.S., whether new or used, either for personal use or for sale, are generally dutiable at the following rates: Cars: 2.5%.

From task we know that the  Fiat car abroad that cost him $6,250.

We have the following proportion:

100:6250=2.5:x\\\\100x=2.5\cdot 6250\\\\100x=15625\\\\x=156.25\\

The duty he has to pay is  156.25$.

3 0
3 years ago
What is 1 and 1/4 + 1 and 1/2
Firlakuza [10]
1 1/4 + 1 1/2

First change the mixed fractions into improper fractions.
Do this by multiplying the denominator by the whole number, then adding that to the numerator, leaving the denominator the same.

5/4 + 3/2

Now change the fractions so that they have a common denominator.
Here, you can use 4 as the CD, so leave the first fraction alone and just change 3/2.
3/2 = 6/4

5/4 + 6/4 = 11/4

11/4 can be changed into 2 3/4.

So the answer is 2 3/4 or 2.75.
8 0
2 years ago
Read 2 more answers
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