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Butoxors [25]
3 years ago
9

Simplify: 3x[(2x6-5) + (8\4)] -1 ••••••• The \ means divide

Mathematics
1 answer:
AnnyKZ [126]3 years ago
3 0
3 × [(2 × 6 - 5) + (8/4)] - 1
= 3 × [(12 - 5) + 2] - 1
= 3 × (7 + 2) - 1
= 3 × 9 - 1
= 27 - 1
= <u>26</u>

<u><em>USE PEMDAS:</em></u>
P - Parentheses
E - Exponents
M - Multiply
D - Divide
A - Addition
S - Subtraction
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A car travels 9 miles in 7 minutes. How fast is it going in miles per hour? How fast is it going in meters per second?
Tems11 [23]

Answer:

he's going 77mph and then 2069 meters per hour.

8 0
2 years ago
Alan is 14 years old. he is twice as old as his brother James. how old is James?
Degger [83]

Alan is 14 years old

He is twice as old as James

then Alan is the elder brother

Alan is twice as old means his age is double the age of James

Alans age = 2 x james age

that means James must be half of Alans age

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James age = 14 / 2 = 7 years

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3 years ago
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6 0
2 years ago
Iris is building a model of the Washington Monument. Her model measures 15 in. tall and is 1.5 in. wide at the base. The actual
irina [24]
Using how tall it is over how wide
=>tall/wide
The model 15in/1.5in
The actual x/55ft

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55ft * 12in/1ft
The ft cross out leaving in
55*12in= 660 in

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5 0
3 years ago
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1713 hours is the same as which of the following times?
konstantin123 [22]

Answer:

A. 5:13 P.M.

Step-by-step explanation:

Any time between 0000 to 1200 hours falls within the A.M range.

1200 hours corresponds to 0 P.M.

Any time after 1200 hours is P.M.

Hence, 1700 hours corresponds to (17-12) P.M.

This implies that 1700 hours corresponds to 5 P.M.

1713 hours corresponds to 5 P.M and (1713-1700) minutes

In other words, 1713 hours corresponds to 5:13 P.M.

Among the given options, option A is the correct one.

8 0
3 years ago
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