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
patriot [66]
3 years ago
11

7-3: MathXL for School: Additional Practice

Mathematics
1 answer:
Rom4ik [11]3 years ago
8 0

Answer:

1- 7cm × 7 cm - 49 cm squ.

13cm × 13 cm -169. cm square

19×19-361 cm square

You might be interested in
If PQ and RS intersect to form four right angles which statement is true
Rus_ich [418]
Given that PQ and RS intersect to form four right angles, then they form an angle of 90 degrees, this implies that:
if the meet at point O, 
then;
∠POR=∠POS=∠QOS=∠ROQ=90°
Therefore the correct statement is:
PQ is perpendicular to RS
that is to mean:
PQ⊥RS
The answer is C.
7 0
2 years ago
Read 2 more answers
Lucy has a bag of marbles. She shares one third of them with Carol, keeping one quarter for herself. Amrita joins them, so Lucy
Umnica [9.8K]

Answer:

Step-by-step explanation:

Let L = Lucy, C = Carol and A = Arita , x = Total amount of marbles

Lucy shares 1/3 with Carol and keeps 1/4 for herself.

This means that Carol has 1/3 of the total amount of marbles, Lucy has 1/4 of the total amount of marbles.

C = 1/3x

L = 1/4x

We are also told that Carol has 7 more marbles than Lucy

C = L + 7

Since C = 1/3x  and L = 1/4x you can sub these into the above equation and you get:

1/3x = 1/4x + 7

Subtract 1/4x from both sides

1/3x - 1/4x = 7

1/12x = 7

Multiply both sides by 12 to find x.

x = 7 times 12 = 84 (Total amount of marbles = 84)

Amrita gets the remaining number of marbles.

A = x - C - L

A = 84 - 1/3 (84) - 1/4 (84)

A = 35

8 0
3 years ago
Solve. –4t ≤ 48 A. t ≥ –12 B. t ≤ –12 C. t ≥ 12 D. t ≤ 12
Oksana_A [137]
-4t \leq 48 \ \ \ : |(-4) \\  \\ t  \geq 12

<em>\\\ Ben</em>
3 0
3 years ago
The annual snowfall in city Ais 43.9 inches. This is 13.5 inches more than four times the snowfall in city B. Find the annual sn
Jlenok [28]

Answer:

24.475

Step-by-step explanation:

1st Divide: 43.9÷4=10.975

2nd Add 13.5: 10.975+13.5=24.475

--------------------------------------------------------------------

Hope this helps you out :)

7 0
3 years ago
Which is a solution to the inequality y &gt; 2 + 9x? Select all that apply.
creativ13 [48]
I know that’s a should be one of them
4 0
2 years ago
Other questions:
  • A vacant city lot is being turned in to a garden. the neighbors want to fence in a triangular section of the lot and plant flowe
    8·1 answer
  • -5y=-5<br> 7x+6y=7<br> Is (5,1) a solution to the system?
    14·1 answer
  • Can someone please help me?
    15·1 answer
  • aiden is 4 inches shorter than twice jackson height.aiden is 68 inches tall.wich equation can be used to find h,jacksons height
    12·1 answer
  • A container of fruit punch serves 16 cups how many quarts of punch are in the container
    11·2 answers
  • Mike is 5 years old and Randy is 8 years old. Select all proportional relationships that have the same ratio to that of Mike and
    10·1 answer
  • (2)<br> Twelve theater fickets<br> Price: $6.79 each<br> Tax Rate: 5%
    15·1 answer
  • Which step(s) are errors is it step 1 step 2 step 3 step4 or step 5?
    8·2 answers
  • When invested at an annual interest rate of 4.7%, an account earned $1,290.33 of simple
    8·2 answers
  • Can someone explain to me how to solve this problem I’m really confused. I don’t even know where to start.
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!