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2 years ago

Help please and thank you

Mathematics

2 answers:

marysya [2.9K]2 years ago

8 0

Answer:

Step-by-step explanation:

4/5

1/2

NeTakaya2 years ago

6 0

Answer:

3) 4:5 4) 1:2

Step-by-step explanation:

We just have to simplify the fraction of the smaller side of the smaller figure over the larger side.

For number 3) 12/15 = 3*4 / 3* 5 = 4/5

For number 4) 7/14 = 8/16 = 1/2

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HELP IM IN THE MIDDLE OF A TEST!!

Zanzabum

Th correct answer would be D

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3 years ago

I have k quarters, five less quarters than nickels and one more than twice as many dimes as quarters. Find the value of the coin

Alenkinab [10]

Answer:

(35k + 20) cents

Step-by-step explanation:

First of all, let us have the value of each unit:

1 quarter = 25 cents

1 nickel = 5 cents

1 dime = 10 cents

Given that number of quarter = k

Quarters are 5 lesser than Nickels, so number of nickels = k+5

One more than twice as many dimes as quarters:

k = 2 $\times$ Number of Dimes + 1

So, number of dimes = $\frac{1}{2}(k-1)$

Value of quarters = $25 \times k$ cents

Value of nickels = $5 \times (k+5) = (5k+25)\ cents$

Value of dimes = $\frac{1}{2}(k-1) \times 10 = (5k-5)\ cents$

So, total value of coins =

$25k + 5k +25 +5k-5\\\Rightarrow (35k+20)\ cents$

5 0

3 years ago

Read 2 more answers

In RST, R = 23* and S = 136*. Which list has the sides of RST in order from shortest to longest?

exis [7]

RS,ST,TR IS THE ANSWER

4 0

3 years ago

Read 2 more answers

If copies cost .08 per copy but you buy a fuscount card for 7.50 and the copies are .05 how many copies will make it worth the d

timurjin [86]

Answer:

The number of copies that will make it worth the discount card is 250.

Step-by-step explanation:

1. Let's review the information provided to answer the question correctly:

Cost per copy without discount = US$ 0.08

Cost per copy with discount = US$ 0.05

Cost of discount card = US$ 7.50

2. How many copies will make it worth the discount card?

For finding out this number of copies, we will use the following equation:

x = Number of copies that will make it worth the discount card

0.08x = 0.05x + 7.50

0.03x = 7.50 (Like terms)

3x = 750 (Multiplying by 100 at both sides)

x = 250 (Dividing by 3 at both sides)

The number of copies that will make it worth the discount card is 250.

Note: Same answer to question 14127203, answered by me today.

7 0

3 years ago

PLEASE HELP ME!! 1.02: Triangle Similarity 1 What is the value of X?

hichkok12 [17]

Answer:

Step-by-step explanation:

ΔARP and ΔCRD are similar. Therefore the sides are in proportion:

$\dfrac{AR}{CR}=\dfrac{PR}{DR}$

We have:

AR = 10 + x

CR = x

PR = 15 + 42 = 57

DR = 42

Substitute:

$\dfrac{10+x}{x}=\dfrac{57}{42}$ cross multiply

$42(10+x)=57x$ use distributive property

$(42)(10)+(42)(x)=57x$

$420+42x=57x$ subtract 42x from both sides

$420=15x$ divide both sides by 15

$x=28$

6 0

3 years ago