I need help with this ​

Step-by-step explanation:

in my opinion, yes it would.

Complete Question

Mark has 42 coins consisting of dimes and quarters. the total value of his coins is $6. How many of each type of coin does he have?

Answer:

The number of dimes = d = 30 dimes

The number of quarters = q = 12 quarters

Step-by-step explanation:

Let us represent

The number of dimes = d

The number of quarters = q

A dime is worth 10 cents = 0.10d

A quarter is worth 25 cents = 0.25q

Mark has 42 coins consisting of dimes and quarters.

q + d = 42...... Equation 1

q = 42 - d

The total value of his coins is $6.

0.1d + 0.25q = 6

We substitute 42 - d for q

0.1d + 0.25(42 - d) = 6

0.1d + 10.5 - 0.25d = 6

10.5 - 6 = 0.25d - 0.1d

4.5 = 0.15d

d = 4.5/0.15

d = 30 dimes

Solving for q

q = 42 - d

q = 42 - 30

q = 12 dimes

Therefore,

The number of dimes = d = 30 dimes

The number of quarters = q = 12 quarters

Answer:

17+15=32.............

Answer:

(1, 3 )

Step-by-step explanation:

Given the 2 equations

2x + y = 5 → (1)

- x + y = 2 → (2)

Rearrange (1) expressing y in terms of x by subtracting 2x fro both sides

y = 5 - 2x → (3)

Substitute y = 5 - 2x into (2)

- x + 5 - 2x = 2

- 3x + 5 = 2 ( subtract 5 from both sides )

- 3x = - 3 ( divide both sides by - 3 )

x = 1

Substitute x = 1 into (3) for corresponding value of y

y = 5 - 2(1) = 5 - 2 = 3

solution is (1, 3 )

Answer:

Answer: {1, 2, 3}

Step-by-step explanation:

Functions

They are relations between input values and output values such that each input has one and only one output.

The function:

{(-3, 2), (-4, 2), (8, 3), (7, 1)}

Consists of four ordered pairs where the first component is the input value and the second value is the output value.

It can be identified that the output values are:

{2,3,1}

In any order, thus the first choice is correct.

Answer: {1, 2, 3}

Answer:

d. -18

Step-by-step explanation:

f(-3) = 10x - 3x + 3

10(-3) - 3(-3) + 3

-30 + 9 + 3

-30 + 12

= -18

Please mark me the Brainliest!?!

Answer:

Step-by-step explanation:

You multiply by the reciprocal of 1/5 to make the equation 1/3*5/1 to get 5/3

if u dont know this   *=multiplication

Answer:

-7

Step-by-step explanation:

-247 is the value of expression  d³a²−(c+b) for a=−2 , b=3 , c=−12 , and d=−4 .

An expression is combination of variables, numbers and operators.

The given expression is d³a²−(c+b)

d cube times of a square minus c plus d

a,b, c and d are variables

plus and minus are operators.

Given values of a, b c and d are

a=−2 , b=3 , c=−12 , and d=−4 .

Substitute these values in expression

(-4)³(-2)²-(-12+3)

(-64)(4)-(-9)

(-64)(4)+9

Minus two hundred fifty six plus nine

-256+9

Two hundred forty seven

-247

Hence -247 is the value of expression  d³a²−(c+b) for a=−2 , b=3 , c=−12 , and d=−4 .

To learn more on Expressions click:

https://brainly.com/question/14083225

#SPJ2

Answer:

732

Step-by-step explanation:

It is 732 because if we start off with 30.5 and then get our 240%, what will happen next is that we will move the decimal spot 2 places on the 240%. So 240% now becomes .240 and NOT a percent yet because we need to do one more thing. After we do this we can then do 30.5x.240 which leads to 7.32. But because this number is too small and it even wouldnt make sense in this question, now we move the decimal spot to the right, so before we did left but now we go right. And when we do this it will finally give out answer of 732 pounds.

Answer:

less than

Step-by-step explanation:

Answer:

less than

Step-by-step explanation:

Answer:

They won 85% of their matches

Step-by-step explanation:

Here, we want to calculate the percentage of wins

To do this, we apply the following formula;

number of wins/number of games * 100%

That would be;

17/20 * 100%

= 17 * 5 = 85%

Answer:

figure one:)

Step-by-step explanation:

Answer:

Step-by-step explanation:

5

Answer:

266 Cars

Step-by-step explanation:

They clean 19 cars an hour. Therefore, 19 x 14 = 266 Cars.

Answer: m is less than or equal to -7

Step-by-step explanation:

Step-by-step explanation:

[tex]-2m - 3 \leq 11[/tex]

[tex]-2m \leq 14[/tex] (adding 3 to both sides)

[tex]m\geq -7[/tex] (dividing by a negative switches the sign around)

Hope this helps!

Answer:

Step-by-step explanation:

Total hours constraint:

Number of session constraint:

So the system is:

Answer:

3/4m + 1/2f ≤ 30

f ≤ 30

Step-by-step explanation:

Answer: c = -3/2

Step-by-step explanation:

1. Subtract 8/3 from both sides —> you get 3/2c = -9/4

2. Divide both sides by 3/2 —> -9/4 x 2/3 = -3/2

Answer:

18,176

Step-by-step explanation:

Figure out an easier thing to do: 1000 - 2021 = 9,797.

Therefore, our answer will be like 9999999999999999999999997979. Out of all of these digits, there are only 2 that arent nines. We know the amount of digits since it's 10^2021 power. We will have one less since we are subtracting 2021. Therefore, 2020 digits in total. Now we know of those 2020 digits, 2 of them are 7, therefore 2018 of them are 9s. That means do 2018(9) + 2(7) = 14 + 18,162 =  18,176.

Answer:

for the first one it's 119z−110

the second one is 31n−39

i'm not sure if you wanted both together

so here just incase

31n+119z−149

Step-by-step explanation:

Answer:

the first answer is 119z-110

the second on is 31n-39

Step-by-step explanation:

Answer:

96-1.6c hope this helps

Step-by-step explanation:

Answer:

3rd one

Step-by-step explanation:

Your answer would be 230,000

Both of them have to do with adding to the number

Srry Im not a math wizard like most people

Answer: Because the fraction will increase instead of decrease

Step-by-step explanation:

Answer:

The graph

Step-by-step explanation:

If you see, the graph goes up 40 for every 1 is goes over. The equation will go up 35 for every 1 it goes over. Thus, the graph has the greater slope.

Answer: 3a^2/2b^3

Step-by-step explanation: I'm doing this term by term.

Final answer: 3a^2/2b^3