1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
IrinaK [193]
2 years ago
5

1. Due Now: Brittany's Builders has 20 leftover bricks. Some are red and some are white. For

Mathematics
1 answer:
yaroslaw [1]2 years ago
7 0

Not sure how to explain

its 5 white and 15 red

You might be interested in
What is 5/6 of 78kg?
Dmitriy789 [7]
65 kg i think or 143 pounds
3 0
2 years ago
Read 2 more answers
How would I write these problems?
konstantin123 [22]

21) Total number of cups: 26

6) Solution of the equation: x = -12

7) Father's age: 40

4) Distance driven: 400 miles

Step-by-step explanation:

21)

Let's call:

h=10 cm the height of each cup

H=30 cm the total height available in the dispenser

We are told that each cup added to the stack add a height of

\Delta h = 0.8 cm

We can therefore solve the problem by writing the following equation:

H=h+N\Delta h

which means that the total height available (H) is filled by the height of one cup (h) + the number of additional cup multiplied by 0.8.

Solving for N:

N=\frac{H-h}{\Delta h}=\frac{30-10}{0.8}=25

And including the first cup, the total number of cups is

N+1=25+1=26

6)

The equation that we have to solve is

\frac{5}{2}x-1=-31

We proceed as follows:

First of all, we add +1 on both sides of the equation,

\frac{5}{2}x-1+1=-31+1\\\frac{5}{2}x=-30

Now we multiply by 2 on both sides:

\frac{5}{2}x\cdot 2=-30\cdot 2\\5x=-60

And now we divide both sides by 5:

\frac{5x}{5}=\frac{-60}{5}\\x=-12

7)

Let's call:

k = Karma's age

f = father's age

We are told that Karma is 13 years old, so

k = 13

Also, Karma's age is 2 years less than 3/8 of the father's age, so we can write

k=\frac{3}{8}f-2

By combining the two equations,

13=\frac{3}{8}f-2

And solving for f, we find:

\frac{3}{8}f=13+2\\\frac{3}{8}f=15\\3f=15\cdot 8 =120\\f=\frac{120}{3}=40

So, the father's age is 40.

4)

Let's call:

T = 16 the total volume of the tank (16 gallons)

We also know that the car burns 0.03 gallons per mile, so the amount of fuel consumed after x miles is

0.03 x

This means that the amount of fuel left after x miles is

16-0.03x

We also know that the amount of fuel left is 4 gallons, therefore:

16-0.03x=4\\0.03x=16-4\\0.03x=12\\x=\frac{12}{0.03}=400

So, 400 miles.

Learn more about equations:

brainly.com/question/13168205

brainly.com/question/3739260

#LearnwithBrainly

6 0
2 years ago
Hannah wants to buy a $540 camera. She can save $40 each week from her paycheck. However, before Hannah can buy the camera, she
Natasha_Volkova [10]

Answer:

w = 12

Step-by-step explanation:

Create formula:

540 = 40w - 60 where 540 is the cost of the camera, 40 is the amount saved, w is the number of weeks, 60 is the amount owed

Solve for w

540 = 40w - 60: subtract 60

480 = 40w: divide by 40

w = 12

7 0
3 years ago
I need to answer these questions ASAP! Will give brainiest and helpful!
garik1379 [7]
8) 1.40 per ounce
9) 3.14 for 1 pound
10) K = t/c
Hope all this helps you out.
4 0
2 years ago
Guys i need a little help pls ( 10 points )
Orlov [11]

Answer:

70 and 90 beats per minute

7 0
2 years ago
Read 2 more answers
Other questions:
  • B is the midpoint of line segment AC. Line segment AB=2x+4 and line segment AC=40. Find x and Line Segment BC.
    15·1 answer
  • Round 5.82-1.76 to the nearest whole number
    8·1 answer
  • WILL MARK BRAINLIEST!!! I NEED AN ANSWER SOON!! THX : )
    6·2 answers
  • 13. Solve this equation for A: A/2=4<br> O A. 2<br> OB.4<br> C.6<br> D. 8
    9·2 answers
  • How do you solve the polynomial (4x to the third power) (-5x)
    14·1 answer
  • List the angles in order from shortest to longest.<br> De, CE, CD
    13·2 answers
  • Let f(x) = 2x + 8, g(x) = x² + 2x – 8, and h(x)
    13·1 answer
  • I need help with this​
    14·1 answer
  • What is the answer to the equation?
    11·1 answer
  • A principal of  $3300  is invested at  6.75%  interest, compounded annually. How much will the investment be worth after  8  yea
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!