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nataly862011 [7]
3 years ago
12

Rewrite 3x+4y=15+6 so y is a function of x

Mathematics
1 answer:
Ksju [112]3 years ago
6 0

Answer: 3x+4y=15+6

Y=6 x=-1

3(-1)+4(6)=21

-3+24=21

Step-by-step explanation:

You might be interested in
What is 4x+5x+3+10 simplified?
cricket20 [7]
Short Answer: 9x + 13


Step by Step:

4x + 5x = 9x

3 + 10 = 13

Hope this helps!
5 0
4 years ago
Find the area and perimeter
Ivenika [448]

Answer: area = 379.7 mm²

Perimeter = 95.84 mm

Step-by-step explanation:

The composite shape contains a semi circle and a trapezoid.

The area of a semi circle is

1/2 × πr²

Radius = diameter/2

Radius = 20/2 = 10 mm

Area = 1/2 × 3.14 × 10 = 15.7 mm²

Area of trapezoid is expressed as

1/2(a + b)h

Area = 1/2 × (20 + 32)14

Area = 1/2 × 52 × 14) = 364mm²

Area of the composite shape is

15.7 + 364 = 379.7 mm²

Formula for determining the perimeter of the semicircle is

1/2 × πd

Perimeter = 1/2 × 3.14 × 20 = 31.4mm

Looking at the attached photo, we would determine the slant height,h, by applying Pythagorean theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

h² = 12² + 14² = 340

h = √340/= 18.44

Perimeter of the composite shape is

31.4 + 14 + 32 + 18.44 =95.84 mm

7 0
3 years ago
GEOMETRY QUESTION PLEASE HELP
stiv31 [10]

Answer:

That is correct..good job! :D

Step-by-step explanation:

6 0
3 years ago
A. How high above the water is the roadway in meters? Round to the nearest hundredth. (199 ft)
xxMikexx [17]
A.
1 meter = 3.28 feet
Height = 199 / 3.28
Height = 60.6707 m
To the nearest hundredth = 60.67 m

B.
1 Kilometer = 1000 meter
1 meter = 3.28084 feet
1 kilometer = 3280.84 feet
Length = 26,372 / 3280.84
Length = 8.0382 km
To the nearest hundredth = 8.04 km<span />
6 0
3 years ago
A rectangular prism has a length of 13ft and a width of 16ft.
IrinaK [193]

Considering the volume of the rectangular prism, it is found that it's height is of 4.5 ft.

<h3>What is the volume of a rectangular prism?</h3>

The volume of a rectangular prism of length l, width w and height h is given by:

V = lwh

In this problem, the measures given are as follows:

l = 13 ft, w = 16 ft, V = 936 ft³.

Hence, the height, in ft, is found as follows:

V = lwh

13 \times 16 \times h = 936

h = \frac{936}{13 \times 16}

h = 4.5

More can be learned about the volume of a rectangular prism at brainly.com/question/17223528

8 0
2 years ago
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