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Akimi4 [234]
2 years ago
13

1/2(10x +5) what is the value of the expression when x=1.4

Mathematics
1 answer:
Anon25 [30]2 years ago
3 0

Answer:

19.2

Step-by-step explanation:

Rewrite 1/2(10x +5)  as  (1/2)(10x +5) for clarity.

Next, substitute 1.4 for x:

(1/2)(10[1.4] +5)

According to rules of operation, work inside parentheses must come before all else.  Thus we obtain:

(1/2)(14+5), or (1/2)(19).  Finally, this simplifies to 19/2.

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Three-quarters of a pound of candy cost 66 cents. Find the cost of one pound<br> of candy.
konstantin123 [22]

Answer:

$0.88 per pound

Step-by-step explanation:

you want to divide the 3/4 pounds by 3, and when you do that, you also have to divide the 66 cents by 3 as well, then multiply the 1/4 you get from dividing 3/4 by 3, and multiply it by 4 to get 1 pound, but when you do that, you have to do the same thing with the 22 cents you get from dividing 66 cents by 3, which will give you 88 cents per pound

6 0
2 years ago
If 2 &gt; -a, then _____.<br><br> a &gt; 2<br> a &gt; -2<br> a &lt; 2<br> a &lt; -2
FinnZ [79.3K]

Answer:

B. a >-2

Step-by-step explanation:

Hope this helps! Ask me anything if you have any quistions!

4 0
3 years ago
Read 2 more answers
Admission to a local aquarium is $10 for adults and S7 for children. The aquarium collected $6,459 from the sale of 783 tickets.
Anarel [89]

Answer:

The answer is 457

Step-by-step explanation:

You set up an equation as

10a+7c=6459

a+c=783

c= child

a= adult

then you simplify to 3a=978 by taking out one of the values.  You get a - 326.

783-326=457 so there is your answer

3 0
3 years ago
The Suarez family spends 30% of their monthly income on the house payment. If the house payment is $1200 what is the family's in
hram777 [196]
This is the answer to your problem

3 0
3 years ago
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two rectangular properties share a common side. Lot is 33 feet wide and 42 feet long. The combined area of the lots is 1,848 squ
klio [65]

First, find the area of lot A.

To find the area, multiply the length by the width.

33*42=1,386

Now, subtract the area of lot a from the total area. This will give us the area of lot b.

1,848-1,386=462

The area of lot b is 462 square feet.

Finally, divide the area of lot b (462) by its length to find the width. Since they both share a side, we know that it’s length is 42 feet.

462/42=11

Lot b is 11 feet wide.

Hope this helps!

4 0
3 years ago
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