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Anvisha [2.4K]
3 years ago
9

Question 1

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

Answer:

a. -3x = -2y

When x=6, y=9

Step-by-step explanation:

From the hanger, There are two sides

If x=triangle and y=square

First side has 1 triangle and 3 squares

It can be represented by

x+3y

Second side has 4 triangles and 1 square

It can be represented by

4x+y

Equate the first and second side

x+3y=4x+y

Collect like terms

x+3y-4x-y=0

-3x+2y=0

-3x=-2y

Find y when x=6

-3(6)=-2y

-18=-2y

Divide both sides by -2

-18/-2=-2y/-2

9=y

y=9

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S
Aleks04 [339]

9514 1404 393

Answer:

  26.13 ft²

Step-by-step explanation:

The total area is twice the area of the right triangles plus half the area of a circle of radius 3 ft.

  Semicircle area = (1/2)(πr²)

  semicircle area = (1/2)(3.14)(3 ft)² = 14.13 ft²

The area of the two right triangles is ...

  total triangular area = (3 ft)(4 ft) = 12 ft²

Then the area of the figure is ...

  figure area = semicircle area + total triangular area

  = 14.13 ft² + 12 ft² = 26.13 ft²

7 0
3 years ago
Read 2 more answers
if 44℅ of mrs.rutherfords class like chocolate ice cream,then how many students are in mrs.Rutherford's class if 11 like chocola
son4ous [18]

Answer:

25 students

Step-by-step explanation:

we know that

44℅ of Mrs. Rutherford's class like chocolate ice cream

11 students like chocolate ice cream

so

11 students represent a 44℅ of Mrs. Rutherford's class

using proportion

Find out how many students represent a percentage of 100% (total students in the class)

\frac{11}{44\%}=\frac{x}{100\%}\\\\x=11(100)/44\\\\x=25\ students

6 0
3 years ago
What is the value of ⅝?
Rama09 [41]

The value of the given expression is 5/8 = 0.625.

What is a fraction?

Any number of equal parts is represented by a fraction, which also represents a portion of a whole. A fraction, such as one-half, eight-fifths, or three-quarters, indicates how many parts of a particular size there are when spoken in everyday English.

The given expression is 5/8

Now by taking the simple division operation, we can write

       = 5/8

       = 0.625

Hence, the value of the given expression is 5/8 = 0.625.

To learn more about fractions, visit:

brainly.com/question/78672

#SPJ4

8 0
2 years ago
When John bought his new computer, he purchased an online computer help service. The help service has a yearly fee of $25.50 and
Westkost [7]
The yearly fee can be subtracted, resulting in 170-25.50=144.5

So with 10.50 a session, you must divide, resulting in around 13.8 sessions.

13 sessions if you need a whole number.

Hope this helps
7 0
3 years ago
The number of necklaces Lilly can make varies directly with the amount of time she spends making the necklaces. She can make 6 n
Fantom [35]

Answer:

75

Step-by-step explanation:

Number of necklace= k × amount of time spent

6= k × 2/5

K = 6÷2/5

K= 6×5/2

K= 15

Therefore the number of necklace made in 5 hours can be calculated as follows

15 = number of necklace ÷ 5

Number of necklace = 15 ×5

Number of necklace = 75

5 0
3 years ago
Read 2 more answers
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