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ale4655 [162]
3 years ago
11

Can I get some help on this

Mathematics
1 answer:
777dan777 [17]3 years ago
5 0
3:
a) Equilateral Triangle
b) square
c) pentagon
d)hexagon
e)octogon
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Matthew uses this scale model of a design he plans to paint on a wall. He uses the key 1 cm = 2.5 ft. One gallon of paint will c
Alex787 [66]

Answer:

160 (not sure)

Step-by-step explanation:

400 / 2.5 = 160

160x1 = 160

4 0
2 years ago
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1. The ages of Sonal and Manoj are in the ratio of 7:5. Ten years hence, the ratio of their ages will be 9:7. Find the present a
sesenic [268]

Answer:

Ratio of present ages of Sonal and Manoj = 7:5

Let us consider the ages of Sonal and Manoj to be 7x yrs. and 5x yrs. respectively.

After 10 years, ratio of their ages = 9:7

A/q,  7x+10/5x+10 = 9/7

or     9 (5x+10) = 7 (7x+10)

or     45x + 90 = 49x + 70

or      49x - 45x = 90 - 70

or      4x = 20

or       x  =  20/4  =  5 .

Therefore, present age of Sonal = 7x yrs. = 7 x 5 yrs. = 35 yrs.

                    present age of Manoj = 5x yrs. = 5 x 5 yrs. = 25 yrs.              

Step-by-step explanation:

You helped me before so thank you

4 0
3 years ago
I’ll give you an extra 40 points if you help within the next 3 minutes
STALIN [3.7K]

Answer: I don't know.

Step-by-step explanation:

I don't know.

8 0
3 years ago
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A printer is printing photos, for every 6 photos, the printer takes 2 minutes
patriot [66]
Whats the question? It prints 3 photos a minute.
3 0
2 years ago
B.<br> f(x) = -1x - 4; Find f(-3)
Margaret [11]

Answer:

f(-3) = -1

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Functions
  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = -1x - 4

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                          f(-3) = -1(-3) - 4
  2. Multiply:                                                                                                             f(-3) = 3 - 4
  3. Subtract:                                                                                                            f(-3) = -1
4 0
2 years ago
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