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Soloha48 [4]
2 years ago
9

Help me 99 points What is the value of x?

Mathematics
2 answers:
tester [92]2 years ago
8 0

Set up a ratio with the known dimensions:

24/15 = 40/x

Cross multiply:

24x = 600

Divide both sides by 24:

X = 25

Serjik [45]2 years ago
8 0
X =25 that actually isn’t that hard lol
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a rectangle has a length of (x+3) centimeters and a width of 1/2x centimeters. If the perimeter is 24 centimeters, what is the l
bogdanovich [222]

Answer:

The length of the rectangle is 9 cm

Step-by-step explanation:

Given: The length of rectangle(l) = (x+3) cm and a width of rectangle (w) = \frac{1}{2} x cm a

Also, perimeter of rectangle is 24 cm.

Perimeter of rectangle is to add the lengths of all the four sides.

Perimeter of rectangle (P) is given by;

P=2(l+w)

Substituting the value of P = 24 cm , l = (x+3) cm and w =\frac{1}{2} x

then,  

24 = 2 (x+3+\frac{1}{2} x)

Divide by 2 both sides of an equation;

12 = x+3+\frac{1}{2}x

Combine like terms;

12 =\frac{3x}{2} +3

Subtract 3 from both the sides we get;

12-3 = \frac{3x}{2} +3-3

Simplify:

9 =\frac{3x}{2}

Multiply both sides by \frac{2}{3} we get

x = 9 \times \frac{2}{3} = 3 \times 2 = 6

Therefore, length of rectangle(l) = (x+3) = 6+3 = 9 cm

6 0
3 years ago
Pls help urgently extra points and mark brainlist
Andreas93 [3]

Answer:

7

Step-by-step explanation:

9 is not a prime factor and of you divide 210 with 11, it will be a decimal

5 0
3 years ago
Help me pleaseeeeeeeeeeeeeeeeeee
zaharov [31]
The answer would be 360 square inches.
7 0
3 years ago
Read 2 more answers
Find the surface area of prism
SCORPION-xisa [38]

Answer:

hope it helps mark me brill

Step-by-step explanation:

The general formula for the total surface area of a right prism is T. S. A. =ph+2B where p represents the perimeter of the base, h the height of the prism and B the area of the base.

4 0
2 years ago
If the divisor is 30, what is the least 3 digit dividend that will give you a remainder of 8?
m_a_m_a [10]
The dividend would be 128 because 128 divided by 30 equals to 4 R 8
3 0
3 years ago
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