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3 years ago

In describing the expression, which term would not be used? Will choose brainliest.

Mathematics

1 answer:

Flauer [41]3 years ago

4 0

Answer:

c) sum

Step-by-step explanation:

please mark me as brainliest the answer is right thank you so much

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Which ordered pair is a solution of the equation?

castortr0y [4]

Answer:

true

Step-by-step explanation:

- x - 4y = - 10

x + 4y - 10 = 0

3 + 4×2 - 10 = 0

3 + 8 - 10 = 0

11 - 10 ≠ 0 (false)

- 3 + 4×3 - 10 = 0

12 - 3 - 10 = 0

12 - 13 ≠ 0 (false)

false

true

4 0

3 years ago

Define a variable. Write and solve each equation.

ella [17]

The answer is x = 6

Let us first define x to be the number of hours of riding lessons she can take.

X = Hours of lessons

Now, she has $200, she needs to pay $20 for grooming supplies, and the lessons cost $30 an hour. We to find the maximum amount of hours of lessons she can take, so in other words, we want to make her broke. To do this, we first convert the words into an equation:

200 - 20 - 30x = 0

Simplifying, we get

180 = 30x

x=6

3 0

3 years ago

A phone line runs east along a field of 1 miles and then north along the edge of the same field for 3 miles. If the phone line c

Leto [7]

Answer:

nsnenenenwnneennenewnw

5 0

2 years ago

Read 2 more answers

A nutritionist planning a diet for a football player wants him to consume 3,500 Calories and 725 grams of food daily. Calories f

Hoochie [10]

Answer:

123.75 g

Step-by-step explanation:

You have three unknowns: protein (p), carbohydrate (c), and fat (f)

You need three equations for the three unknowns. They are

(1) p + c + f = 725

(2) 4p + 4c + 9f = 3500

(3) 4p + 9f = 0.45(3500) = 1575

Subtract (3) from (2)

4c = 1925

(4) c = 481.25

Substitute (4) into (1)

p + 481.25 + f = 725

(5) p + f = 243.75

Multiply (5) by 4

(6) 4p + 4f = 975

Subtract (6) from (3)

5f = 600

(7) f = 120

Substitute (7) into (3)

4p + 1080 = 1575

4p = 495

p = 123.75

The diet will include 123.75 g of protein.

Check:

$\begin{array}{rcl}\\123.75 + 481.25 + 120 &=&725\\ 725 & = & 725\\&&\\4(123.75) + 4(481.25) + 9(120) &=& 3500\\495 + 1925 + 1080& =& 3500\\3500 &=& 3500\\&&\\4(123.75) + 9(120) &=& 1575\\495 + 1080&=& 1575\\1575&=& 1575\\\end{array}$

It checks.

5 0

4 years ago

What is 700 rounded to because i do not no it is very hard and i really need help and i really do not now how to round like it i

loris [4]

700 rounded is just 700 since there’s no decimal and it’s a whole number it would stay 700 :)

7 0

3 years ago