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3 years ago

HELP^^ 7TH GRADE MATH

Mathematics

2 answers:

Alinara [238K]3 years ago

8 0

Answer: 1 in : 50 ft

Step-by-step explanation:

raketka [301]3 years ago

7 0

Answer:

1 in : 50 ft

Step-by-step explanation:

Since the actual field is 300 feet long, in order to find the scale,

divide 300 by 6 to get 50,

Since we are thinking in inches to feet, 1 inch is equal to 50 feet.

Hope this helps

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3x + 2(4x - 4) = 3 What’s the answer?

Darya [45]

3x+2(4x-4)=3 - remove parentheses
3x+ 8x-8=3 - collect like terms
11x- 8 =3 - move the constant to the right
11x=3+8 - calculate
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x= 1

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3 years ago

1. A new pizza shop opened up and started out $6,378.60 in the hole. Their first month being open they

Zepler [3.9K]

Answer:

7212.53, i belive

Step-by-step explanation:

56 x 6.33 = 354.48

91 x 2.85 = 259.35

259.35 + 354.48 = 613.83

1547.76 - 613.83 = 933.93

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3 years ago

How many outcomes are possible when choosing a vowel and choosing a card suit (spades, clubs, hearts or diamonds)?

Vilka [71]

There are six vowels and 4 card suits
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24 outcomes

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3 years ago

What is a tenth of a decimal ?

trapecia [35]

One decimal place to the left decimal point is the place.

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4 years ago

Which shows the expression below simplified? 0.00048 - (3.4 × 10-5) A. 4.46 × 10-4 B. 3.39952 × 10-5 C. 4.46 × 10-5 D. 1.4 × 10-

MakcuM [25]

Option C

The simplified form of given expression is $4.46 \times 10^{-4}$

Solution:

Given that we have to simplify the expression shown below

$0.00048 - (3.4 \times 10^{-5})$

Let us first convert 0.00048 to scientific notation

Steps to follow:

Move the decimal point in your number until there is only one non-zero digit to the left of the decimal point. The resulting decimal number is a.

Count how many places you moved the decimal point. This number is b.

If you moved the decimal to the left b is positive.

If you moved the decimal to the right b is negative.

If you did not need to move the decimal b = 0.

Write your scientific notation number as a x 10^b and read it as "a times 10 to the power of b."

Remove trailing 0's only if they were originally to the left of the decimal point.

$0.00048 = 4.8 \times 10^{-4}$

So the given expression becomes,

$\rightarrow 4.8 \times 10^{-4} - 3.4 \times 10^{-5}$

Let us make the exponent of second term as -4

$\rightarrow 4.8 \times 10^{-4} - 0.34 \times 10^{-4}$

Take $10^{-4}$ as common term,

$\rightarrow 10^{-4} (4.8 - 0.34)$

$\rightarrow 4.46 \times 10^{-4}$

Thus option C is correct

7 0

3 years ago