Please explain step by step to find the solution
15-4x=10x+45

Answers

Answer 1

Answer: $15-4x=10x+45 \n -4x- 10 x= 14x \n 15+45=60 \n 14x+60$ . I'm sooo sorry if I get this wrong I'm not that great at this

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Gabriel is at the grocery store, and wants to figure out his total cost before he gets to the register. He bought 2.5 pounds of apples that are x dollars a pound and 2 bags of lettuce for y dollars each. Which expressions would represent his total cost? Check all that apply.

Answers

The expression that'll be used in calculating the total cost will be 2.5x + 2y.

Since Gabriel bought 2.5 pounds of apples that are x dollars a pound and 2 bags of lettuce for y dollars each, then the total cost will be:

= (2.5 × x) + (2 × y)

= 2.5x + 2y

Based on the calculation above, the expression that'll be used in calculating the total cost will be 2.5x + 2y.

Read related link on:

brainly.com/question/24429956

Answer:

x + 1.5 + 2y and 2y + 2.5x

Explanation:

Those were the correct answers for me.

During a catered lunch, an average of 4 cups of tea are poured per minute. The lunch will last 2 hours. How many gallons of tea should the caterer bring if there are 16 cups in one gallon?gallons

Answers

we know that

An average of $4$ cups of tea are poured per minute

Step 1

Find the number of cups that are poured in two hours by proportion

Remember that

$2\ hours=120\ minutes$

$(4)/(1) (cups)/(minute) =(x)/(120)(cups)/(minutes) \n \nx=120*4 \n \nx=480\ cups$

Step 2

Convert cups to gallons by proportion

Remember that

$16\ cups=1\ gallon$

$(1)/(16) (gallon)/(cups) =(x)/(480) (gallons)/(cups) \n \nx=480/16 \n \nx=30\ gallons$

therefore

the answer is

$30\ gallons$

The answer is 30.
There are 16 cups in a gallon. And 120 minutes in 2 hours. so multiple
16*120 which is 480. Then divide 480/120 and get 30 as your answer

you throw a ball upward. its height h in feet after t seconds can be modeled by the function h=-16t^2+30t+6.after how many seconds will it hit the ground

Answers

When the ball hit the ground, the height will be equal to "0".
h=0
Then:

-16t²+30t+6=0

we have to solve this square equation:

t=[-30⁺₋√(900+384)] / (-32)
t=(-30⁺₋√1284)/(-32)
we have two solutions:
t₁=(-30-√1284)/(-32)=2.06
t₂=(-30+√1284)/(-32)=-0.18 This solution is not valid.

Answer: 2.06 seconds.
t

While on vacation in Weston, Roscoe went out for a dinner that cost $90. If sales tax in Weston is 10% and Roscoe left a 20% tip on $90, what was the total cost of the meal?

Answers

Answer: $107

Step-by-step explanation:

Tip = 20 % of $90

= 20/100 × $90

=$18

Sales tax at 10% = 10/100 × $90

= $9

Total cost= $90 + $18 + $9

= $107

Answer:

117

Step-by-step explanation:

90 times 1.1 (the 1 is for the total amount which is ninety and the .1 is for 10% because you have to move the decimal over 2) is 99

90 times .2 equals 18

you then add 99 to 18 and the answer is 117

a seamstress has a piece of cloth that is 3 yards long she cuts it into shorter lengths of 16 inches each. how many of the shorter pieces can she cut?

Answers

In this question the vital information that a person needs to have is the conversion of yard to inches. Once that is done, the question becomes easy as most of the required information's are already given in the question.
1 yard = 36 inches
Then
3 yards = 36 * 3 inches
   = 108 inches.
Now let us get down to finding the answer to the question.
Length of the cloth that needs to be cut into shorter lengths = 3 yards
      = 108 inches
Length of the shorter pieces = 16 inches
Then
umber of shorter pieces that can be cut = 108/16
   = 6.75
So from the above deduction we can easily conclude that 6 shorter pieces of 16 inches can be cut and still there will be a little excess piece of cloth remaining.

She can cut 6.75 shorter pieces of cloth

Further explanation

The division operation is one of the basic arithmetic operations

Common signs used are $\large{\boxed{:}}}$ or $\large{\boxed{\slash}}$

The division is written by placing the numerator above the denominator with a horizontal line between them or use a slash with the numerator's position and the denominator is parallel

The division is actually an iterative subtraction operation (as many as the number of divisors)

Division is the opposite of multiplying

The general form of division can be stated by:

$\large{\boxed{\bold{divident:divisor=quotient+remainder}}$