Write an expression that can be used to multiply 6 times 198 mentally

Answers

Answer 1
Answer: I would half 198, get
99 and add a 0, this is how you multiply by 5 in your head

198*5 = 990
990 + 200 = 1190 - 2
= 1188

Alternatively we can round 198 to 200: then multiply by 6

200*6 = 1200

Then We subtract the 6 "2's" that we added

1200 - 12 = 1188


The expression for this is:
(6*200) - (6 * 2)

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if Marianne's father calls and says he needs 13 pounds of potting soil, how many additional bags should she buy?

Answers

Marianne purchases 16 bags of potting soil, which weighs 5/8 pounds per bag.

a) Marianne buys 10 pounds of potting soil.

b) She need 5 additional bags.

What is the difference between the numerator and denominator of a fraction?

A fraction's numerator is the term that appears above the vinculum. It illustrates how many parts we have in total. A fraction's denominator is the term that appears below the vinculum. It reveals how many parts there are in all of us. A fraction's denominator and numerator are its top and bottom respective numbers.

The two numbers, which are separated by a line, are referred to as the numerator and the denominator, respectively. The line simply divides the numerator from the denominator and can be horizontal or slanted to mean either.

Given:

Marianne buys 16 bags of potting soil that comes in 5/8 pound bags.

a) 16 × 5 / 8 = 80 / 8 = 10

Marianne buys 10 pounds of potting soil.

b) She has 10 pounds, so she need bags only for 3 ponds.

3 : 5 / 8 = 3 × 8 / 5 = 24 / 5 = 4.8

She need 5 additional bags.

The complete question is:

Marianne buys 16 bags of potting soil that comes in 5/8 pound bags.

a) How many pounds of potting soil does Marianne buy?  

b) If Marianne's father calls and says he needs 13 pounds of potting soil, how many additional bags should she buy?

To learn more about numerators and denominators refer to:

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Answer: 10 bags.

Step-by-step explanation:

16 × 5/8 = 80/8

80/8 = 10

Hope this helps!!! Good luck!!! ;)

Please help me on this

Answers

So this sheet is about area and perimeter, focus hard on it and it would be a good idea if you had a spare piece of paper next to you for figuring it out

The product of what number and 7 is less than 49

Answers

Any number less than seven (the product is what you get when you multiply two numbers together.) Since 7*7=49, 7*anything less than 7 is less than 49.

What is the slope of the line plotted below? (5 points)

Answers

Answer:

1/-3

Step-by-step explanation:

Slope= y2-y1/x2-x1

Your two points are (1,3) and (-2,4)

(4-3)/(-2-1)=1/-3

Slope= 1/-3

Answer:

m= -1/3

Step-by-step explanation:

Use the slope formula to find the slope m. But first find the points.

Function f is defined by the equation f(x) = 3x-7.Find the value of x so that f(x) = 20 is true.

A.x = 10
B. x = 9
C.x = 11
D.x = 8

Answers

I am pretty sure it’s A also

Final answer:

You can find the value of x in the function f(x) = 3x - 7 when f(x) = 20 by isolating x in the equation. This process leads to an answer of x = 9.

Explanation:

To solve this problem, you need to substitute the given function's value f(x)=20 into the equation and solve for x.

So, you have the equation 3x-7=20. In the next step, you add 7 to both sides to isolate 3x on one side, which gives you 3x=27.

Finally, divide both sides by 3 to find the value of x. Doing so, you get x = 27/3, which simplifies to x = 9.

Therefore, when f(x) = 20, the value of x is 9, which matches answer option B.

Learn more about Solving equations here:

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What is the area of a triangle with base 5cm and height 6cm

Answers

The formula for the area of a triangle is (Base x Height)/2
BH
 2

Just substitute the numbers into the formula

5cm x 6cm = 30cm²

30cm²/2 = 15cm²


A=15 cm² 
To get the area you take the base times the height and divided it by 2