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
fomenos
3 years ago
11

ASAP. I’m in a test. Find the sum. -1/2 + 3/10

Mathematics
1 answer:
Softa [21]3 years ago
7 0

Answer:

0.8

Step-by-step explanation:

You might be interested in
The ancient Egyptians had to be skilled mathematicians to build their pyramids correctly. If they built a pyramid like the one b
Reptile [31]

Answer:

513333.33 cubic yards

Solution:

\frac{1}{2} bh

\frac{1}{2} (110)(140)

=7700

V = 1/3AH

V = 1/3(7700)(200)

V=513333.33

4 0
3 years ago
The area of a rectangle is 45 cm2. Two squares are constructed such that two adjacent sides of the rectangle are each also the s
Zielflug [23.3K]

Answer:

The lengths of sides of squares are 5 cm and 9 cm.

Step-by-step explanation:

Let the sides of rectangle be x and y .

Area of rectangle = Length × Breadth

Given : Area of rectangle = 45 cm².

⇒ x × y  = 45  

⇒ x=\frac{45}{y}  ........(1)

Two squares are constructed such that two adjacent sides of the rectangle

so squares have side x and y .

Area of square = side × side

Area of square with side x = x²

Area of square with side y = y²

Also, The combined area of the two squares is 106 cm².

⇒ x² + y² = 106

From (1) put value of x , we get,

(\frac{45}{y})^2+y^2=106

Solving for y ,

(\frac{45}{y})^2+y^2=106  

2025+y^4=106y^2  

y^4-106y^2+2025=0  

y^4-81y^2-25y^2+2025=0  

y^2(y^2-81)-25(y^2-81)=0  

(y^2-25)(y^2-81)=0

y^2-81=0 or y^2-25=0    

on solving we get y = 5 and y = 9

Also, x can be find by putting in (1),

⇒ x=\frac{45}{5}=9 and ⇒ x=\frac{45}{9}=5  

⇒ x = 9 and x = 5

Thus, lengths of sides of squares are 5 cm and 9 cm.

6 0
4 years ago
Read 2 more answers
The function g(x) = x2 is transformed to obtain function h:
ANEK [815]

Answer:

A

Step-by-step explanation:

I’m tell u that’s not the answer

4 0
4 years ago
Read 2 more answers
Can the sum of two mixed numbers be equal to 2? ​
Sholpan [36]
No it depends on the sum of the two numbers
4 0
3 years ago
Read 2 more answers
The polygons below are similar... please help I will mark you brainliest thank youuuu
antiseptic1488 [7]

Answer:

y=27 and x=9

Step-by-step explanation:

the ratio is 4 to 3

3 0
4 years ago
Other questions:
  • The football game was attended by 417 people, 22% more than last week. How many people attended last week’s game?
    11·2 answers
  • A car's speedometer has a percent error of 5%. The speedometer currently shows that the car is traveling at a speed of 60 mph.
    11·1 answer
  • Simplify (19x2 + 16x + 45) - (9x2 + 13x + 23).
    13·1 answer
  • I will mark brainliesttt!
    9·2 answers
  • What would this be!?
    9·2 answers
  • >......> ........... answer plz
    11·1 answer
  • Jeffery walked 1/3 mile on Monday and jogged 4/5 mile on Tuesday. How far did he wal and jog on Monday and Tuesday combined
    12·1 answer
  • Ms. Turner takes 5 hours to drive 390 kilometers from her home to the next city.
    10·1 answer
  • If O is the center of the circle and mZABC = 30°, what is the measure of BDC? D B A C mZBDC = [?] degrees​
    5·2 answers
  • Graph y= –3x+4.<br><br> i need a pic<br> 5o points and brain thing
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!