2 years ago

Sally has 9 more cats than dogs write a standard form equation in c,d order this situation implies

Mathematics

1 answer:

nalin [4]2 years ago

8 0

I think it will be : 9+c=d

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The ratio of a to b is 3 to 1, and the ratio of b to c is 1 to 5. What is the value of 2a+3b/ 4b+3c?

Nostrana [21]

Answer:

Step-by-step explanation:

Expressing the ratios as fractions, that is

$\frac{a}{b}$ = $\frac{3}{1}$ ( cross- multiply )

a = 3b

$\frac{b}{c}$ = $\frac{1}{5}$ ( cross- multiply )

c = 5b

------------------------------------------

Given

$\frac{2a+3b}{4b+3c}$ , substitute values from above for a and c

= $\frac{2(3b)+3b}{4b+3(5b)}$

= $\frac{6b+3b}{4b+15b}$

= $\frac{9b}{19b}$ ← cancel b on numerator/ denominator

= $\frac{9}{19}$ → B

6 0

3 years ago

How many points determine a unique line?

Nesterboy [21]

B. 2 Points determine a unique line

4 0

2 years ago

Read 2 more answers

Please may you do the whole page for 30 points thanks

Ostrovityanka [42]

4 A) 1/6
4 B) 1/45
4 C) 2/3
4 D) 3/5

5 0

3 years ago

An acre measures 4840 square yards. In a city, a lot on which a single-

belka [17]

The lot is 9.2% of the an acre.

Given:

Area of an acre = 4840 sq. yards

Area of lot = 40 by 100 ft = $40 ]\times 100 = 4,000 $ ft^{2}$

Convert the area of the lot to feet ( $9 ft^{2} = yd^{2}$ ):

Therefore:

Area of lot = $\frac{4,000}{9} = 444.4 $ yd^{2}$

Percentage occupied by the lot = area of lot / area of acre x 100

$= \frac{444.4}{4840} \times 100\\\= 9.2$

The lot therefore is 9.2% of the an acre.

Learn more here:

brainly.com/question/20730855

7 0

2 years ago

What number should

eduard

I believe it is 4 to make it able to divide by both sides

6 0

2 years ago

Sally has 9 more cats than dogs write a standard form equation in c,d order this situation implies​

Sally has 9 more cats than dogs write a standard form equation in c,d order this situation implies