MATHEMATICS MIDDLE SCHOOL

Brady buys 3 gallons of fertilizer for his lawn. after he finishes spraying the lawn he has 1 quart of fertilizer left over. how many quarts of fertilizer did Brady spray on the lawn?

Answers

Answer 1

Answer:

Answer: Brady sprayed 11 quarts of fertilizer

Step-by-step explanation:

Given : Brady buys 3 gallons of fertilizer for his lawn.

Since 1 gallon = 4 quarts

Then, 3 gallons = $4*3=12\ \text{ quarts}$

After he finishes spraying the lawn he has 1 quart of fertilizer left over.

Then, the number of quarts of fertilizer Brady sprayed on the lawn

= Quarts of fertilizer bought - Quarts of fertilizer left

=12-1=11 quarts

Hence, Brady sprayed 11 quarts of fertilizer .

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Sandy collects two shells at a time to Shawn collect for shells at a time and Sonya collect 10 shells at a time to have the same number of shells what is the least number of shells each friend must collect

Answers

Sandy collects 2 shells at a time

Shawn collects 4 shells at a time

Sonya collects 10 shells at a time.

Find the lowest possible number that they all have similar. Look at their factors

2 x 10 = 20

4 x 5 = 20

10 x 2 = 20

20 is the lowest number

hope this helps

seems that you are trying to say that:sandy collects 2 shells at a time (so she doesn't collect 1 or 3 at a time)shawn collects 4 shells at a timesonya collects 10 shells at a time

this is a problem to find the least common multipleone way is to list all the number of shells they can collectthe number of shells sandy can collect is 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28...
the number of shells shawn can collect is 4, 8, 12, 16, 20, 24, 28, 32...
the number of shells sonya can collect is 10, 20, 30, 40, 50...

when is the first common number?
it is 20so answer is 20 shells is the least number they must collect

the way to do it with math is thiswhat is least common mulitpule of 2,4, and 10?factor them2=24=2*210=2*5LCM contains the factors of eachso LCM=2*2*5=4*5=20LCM=20
so least number of shells needed to be collected is 20

A train traveled 210 miles in 3.5 hours to its first stop. It then continued on traveling another 130 miles in 2.5 hours. What was the average speed of the train for the entire journey? A. 52 mi/h B. 56 mi/h C. 56.7 mi/h D. 60 mi/h

Answers

t = 6 [h]
s = 340 [mi]

v=s/t=340/6=56.7 [mi/h]
Answer C.

What is the value of w, when the equation is 5w + 9z = 2z + 3w

Answers

The value of w would be -7z/2
Hope this helps

5w+9z=2z+3w

First collect like terms which are terms with the same variables to the same degree

5w-3w=2z-9z

Then simplify on each side

2w=-7z

Next isolate w completely

w=-7z/2

Simplify.

A) 4√3 + 6

B) 6√3 + 4

C) 6√6 + 3

Answers

$( 8√(6mn) + 6√(8mn) )/( 2√(2mn))$

First, break it up into two fractions:

$( 8√(6mn) + 6√(8mn) )/( 2√(2mn)) = (8√(6mn))/( 2√(2mn)) + (6√(8mn))/( 2√(2mn))$

Next, you can simplify the numbers outside of the square root:

$(8√(6mn))/( 2√(2mn)) + (6√(8mn))/( 2√(2mn)) = (4√(6mn))/(√(2mn)) + (3√(8mn))/(√(2mn))$

Since the values are being acted by the same function, being under a radical, you can simplify these too:

$(4√(6mn))/(√(2mn)) + (3√(8mn))/(√(2mn)) = {4√(3)} + {3√(4)}$

Finally, the square root of 4 is 2, so it would be expressed like this:

${4√(3)} + {3√(4)} = {4√(3)} + {3(2) = {4√(3)} + 6$

Your answer should be A.

What is the area of the figure below?
Haaaaalp please

Answers

$A_1=6\cdot5=30\ [in^2]\n\nA_2= (1)/(2) \cdot[15+(7+5)]\cdot4=2\cdot(15+12)=2\cdot27=54\ [in^2]\n\nA=A_1+A_2=30+54=84\ [in^2]$

-- The little block on top is 6-high by 5-wide = 30 square inches.

-- The dotted line across the middle is 5 inches long.

-- The long skinny block on the bottom is (10-6)=4-high by 12-wide = 48 inches² .

-- The height of the triangle at the end is (10-6) = 4 inches.
The base of the triangle is (15 - 7 - 5) = 3 inches.
The area of the triangle is (1/2)(base)(height) = 6 inches².

-- Sum of the the 3 sections = (20 + 48 + 6) = 74 square inches.

Find the probability. You flip a coin and then roll a fair six-sided die. The coin lands heads-up and the die shows an even number.

Answers

independent probablity so we add the total number of outcomes (top with

even number is 1/2
heads is 1/2

1/4 is answer

Again, assuming fair die, the probability of getting any value when rolling is ... die, the probability of getting a value greater than or equal to 5 is 1/6 + 1/6 = 2/6 = 1/3. ... If a 15 sided die that is numbered from 1 to 15 is rolled once, find the probability of ... If the coin lands as heads, Rob shows you the first number Adam picked.

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