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Blababa [14]
3 years ago
9

Jay needs 19 quarts more paint for the outside of his barn than for the inside.If he uses 107 quarts in all,how many gallons of

paint will be used to paint the inside of the barn?
Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
6 0
If we use X to represent the amount of quarts for the inside of the barn we can write an equation for this. The outside needs 19 quarts more so we can say this is (x+19)

x+x+19=107
2x+19=107
2x=88
x=44 quarts

convert to gallons by dividing by 4 and you have 11 gallons for the inside
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HELP PLEASE I KEEP ASKING AND NO ONE ACTUALLY HELPS
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Answer: X = 44.4 degrees

Step-by-step explanation: The figure given is a right angled triangle with two sides given as well as one angle unknown.

Angle X, which is the unknown, is the reference angle in this question. So we have an opposite which is the side facing the reference angle (line 7 units) and we have an hypotenuse which is the side facing the right angle (line 10). Having an opposite and an hypotenuse, we can use the trigonometric ratio of sine.

SinX = opposite/hypotenuse

SinX = 7/10

SinX = 0.7000

Looking up a table of values or checking the calculator, 0.7000 under sine of angles gives 44.4270

Therefore angle X is approximately 44.4 degrees (approximated to the nearest tenth)

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Solve this and you get:

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34kurt

Answer:

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Step-by-step explanation:

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3 years ago
ΔDEF with vertices D(2, 5), E(6, 4), and F(3, 3), is reflected across the line y=x. A student determined one of the vertices on
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PLEASE HELP QUICK! I'M OFFERING 25PTS & BRAINLIEST ANSWER (Its only worth 10pts) I just need this done PLEASE SHOW YOUR WORK
LenaWriter [7]
QUESTION 1

The dimensions of the rectangular blanket are;

l = (3x + 7)cm

and

w = (2x - 3)cm

The perimeter is given by,

p= 2w + 2l

We substitute the dimensions to obtain,

p = 2(2x - 3) + 2(3x + 7)

Expand bracket to get,

p = 4x - 6 + 6x + 14

This simplifies to
p =( 10x + 8 )cm


QUESTION 2

When

x = 4
The perimeter becomes

p =( 10(4) + 8 )cm

p =( 40 + 8 )cm

p =48cm


QUESTION 3

Area is given by

A=l \times w
A=(3x + 7)(2x - 3)

We expand to get,

A=6 {x}^{2} - 9x + 14x - 21

This gives us,

A=(6 {x}^{2} + 5x - 21) {cm}^{2}

QUESTION 4

If
x = 4
Then the area becomes,

A=6 {(4)}^{2} - 9(4)+ 14(4) - 21

A=6 \times 16 - 36+ 56- 21

A=96 - 36+ 56- 21

A=95 {cm}^{2}

QUESTION 5.

When the length of the blanket is 5cm longer, then the length of the new blanket becomes

l = (3x + 7 + 5)

l = (3x + 12)cm

The width is still

w = (2x - 3)cm

The perimeter of the new blanket is

p = 2(3x + 12) + 2(2x - 3)

This implies that,

p = 6x + 24+ 4x - 6

p = 10x +18

Comparing to the old perimeter which is

p = 10x +8,

The perimeter changes by 10 units
8 0
3 years ago
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