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goblinko [34]
3 years ago
5

If c = 4 and d = 5, find c:d. 1:5 4:5 5:4

Mathematics
2 answers:
gladu [14]3 years ago
3 0
I beileve the answer is 5;4

Lostsunrise [7]3 years ago
3 0
<span>If c = 4 and d = 5, find c:d.
your answer is 4:5</span>
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Help me with a. b. c. I need help
hammer [34]

Answer:

a) Perimeter = 20.5 Inches

   Area is 15 Sq Inches

b) Perimeter is 61.4 Cms

    Area is 210 Sq cm

c) Perimeter is 22 yards

   Area is 21 Sq Yards

Step-by-step explanation:

a) Perimeter = sum of all the sides

= 8+7.5+5

=20.5

Perimeter = 20.5 Inches

Area of Triangle =\frac{1}{2} \times height \times Base

Base = 7.5 In

Height = 4 In

A = \frac{1}{2} \times 4 \times 7.5

A = 2 \times 7.5

A = 15

Hence Area is 15 Sq Inches

b)  Perimeter = Sum of all the sides

P=13+23+13.4+12

P=61.4

Perimeter is 61.4 Cms

Area of trapezium = \frac{1}{2} \times height  \times (sum \ of \ parallel \ sides)

A= \frac{1}{2} \times 12 \times (12+23)

A= 6 \times 25

A=210

Area is 210 Sq cm

c) Perimeter = Sum of all the sides

P = 7+4+7+4 ( as Opposite sides are equal in a parallelogram

P = 22

Perimeter is 22 yards

Area of a parallelogram = base \times height

A= 7 \times 3

A = 21

Area is 21 Sq Yards

3 0
3 years ago
three-fifths of the members of the Spanish club are girls there are a total of 30 girls in the Spanish club which statements can
Neporo4naja [7]

Answer:

\frac{3}{5}x=30 or \frac{3}{5}(\frac{5}{3})x=30(\frac{5}{3}) or x = 50

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%5Ctext%7BSolve%20for%20x%3A%7D%5C%5C%5C%5C3x%20%2B%2065%20%3D%20523%5C%5C%5C%5C%5Ctext%7BThan
Vlad1618 [11]

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

{x=152.666....

»»————- ★ ————-««  

Here’s why:

⸻⸻⸻⸻

\boxed{\text{Solving for x...}}\\\\3x+ 65= 523\\----------\\\rightarrow 3x + 65 - 65=523-65\\\\\rightarrow 3x = 458\\\\\rightarrow\frac{3x = 458}{3}\\\\\rightarrow  \boxed{x=152.666....}

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

7 0
2 years ago
Read 2 more answers
What is the answer to 39=3m-15
Vladimir [108]
39=3m-15
39+15=3m
54=3m
54/3=3m/3
m=18
4 0
2 years ago
Read 2 more answers
-6u+7=-29 what does u equal​
Marizza181 [45]

Answer: <em>u = 6</em>

Step-by-step explanation: To solve for <em>u</em> in the equation you see here, we must first isolate the term containing <em>u</em> which in this problem is -6u.

Since 7 is being added to -6u, we subtract 7 from both sides of the equation to isolate the -6u. On the left side of the equation, the +7 and -7 cancel out and on the right side of the equation, -29 - 7 is -36 so we have -6u = -36.

Now we can finish things off by just dividing both sides of the equation by -6. On the left the -6's cancel and on the right -36 divided by -6 is 6.

So u = 6 and you can check your answer by 6 back in for <em>u</em> in the original equation shown below in italics.

<em>-6 (6) + 7 = -29</em>

5 0
3 years ago
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