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3 years ago

Find an ordered pair (x,y) that is a solution to the equation 5x+y=7

Mathematics

2 answers:

lord [1]3 years ago

6 0

Answer:

(1 , 2)

Step-by-step explanation:

Given that:

5x+y=7

Now we have to find an ordered pair (x , y) which satisfies above equation

For (1 , 2) it means x =1 and y = 2 we get

5x+y=7

5 (1) + 2 = 7

5 + 2 = 7

7 = 7

Hence proved.

I hope it will help you.

IRINA_888 [86]3 years ago

4 0

Answer:

54565656

Step-by-step explanation:

ggfght

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Suppose you deposit $12.50 into your savings account each week for 4 weeks and then withdraw $4.80 each week for the next two we

monitta

Answer:

The total change in the amount of money in my account is $ 9.60

Step-by-step explanation:

Given:

Amount of money deposited each week, $A_{d}=\$12.50$

Amount of money withdrawn each week, $A_{w}=\$4.80$

∴ Amount of money deposited in 4 weeks, $A_{dT}=A_{d}\times 4=12.50\times 4 = \$50$

∴ Amount of money withdrawn in 2 weeks, $A_{wT}=A_{w}\times 4=4.80\times 2 = \$9.6$

Now, amount of money left in the account is the difference of the two amounts.

So, amount left = $A_{dT}-A_{wT}=50-9.6=\$40.4$

Therefore, the total change in the amount of money in my account is given as:

Total change = Initial amount after 4 weeks - Final amount in the account.

Total change = $ 50 - $40.4 = $ 9.6

7 0

2 years ago

What is the approximate area of the circle shown below? 9.4 cm

wlad13 [49]

Answer:

A=3.14(9.4 squared)9.4 squared= 88.363.14(88.36)= 277.4504277.4504 is close to 278 The answer is D.

Hope this helps!

8 0

2 years ago

Read 2 more answers

-3(1)+(-3)(-1) =

daser333 [38]

Answer:

³⅜

Step-by-step explanation:

⁴⁵⅖

+⁷⅝×⅖i

I HOPE IT HELP TYSM

6 0

2 years ago

Read 2 more answers

Seed mixture X is 40 percent ryegrass and 60 percent bluegrass by weight; seed mixture Y is 25 percent ryegrass and 75 percent f

Ksivusya [100]

Answer: The weight of X is $33\dfrac{1}{3}\%$ of weight of mixture.

Step-by-step explanation:

Since we have given that

Percentage of seed mixture X for ryegrass = 40%

Percentage of seed mixture Y for ryegrass = 25%

If a mixture of X and Y contains 30 percent ryegrass,

Let total seed mixture be 100

So, for seed X = x

For seed Y = 100-x

So, According to question,

$0.4x+0.25(100-x)=30\\\\0.4x+25-0.25x=30\\\\0.15x=30-25\\\\0.15x=5\\\\x=\dfrac{5}{0.15}\\\\x=\dfrac{100}{3}$

So, weight of mixture X is given by

$\dfrac{\text{Weight of X}}{\text{Weight of mixture}}\times 100\\\\=\dfrac{\dfrac{100}{3}}{100}\times 100\\\\=\dfrac{100}{3}\%\\\\=33\dfrac{1}{3}\%$

Hence, the weight of X is $33\dfrac{1}{3}\%$ of weight of mixture.

6 0

2 years ago

There are 634 cups of lemonade at a picnic. The lemonade is split evenly among the people at the picnic. Each person gets 34 cup

jek_recluse [69]

Answer:

634 divided by 34=18.6470588235

5 0

2 years ago