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3 years ago

NEED ANSWERS CORRECT ONES NEED NOW WILL MARK BRAINLIEST...

Mathematics

1 answer:

nadya68 [22]3 years ago

6 0

(a) There are 1/4 cups of flour per serving

Work: 1.5/6=1/4

(b) There are aprox. .18 cups of sugar per serving.

Work: 9/12+4/12=13/12 n then divide 13/12 by 6

(c) You need 2 1/4 cups of flour to make 9 servings

Work: 1.5/2=.75 1.5+.75=2.25=2 1/4 cups

(d) Someone would need to know the amount of sugar per serving to make the recipe accurate.

Question 2

(a) You're account is at $10 dollars

Work: $5x5 (days)=$25. add 25 to -15 and you have $10 dollars in you're account.

(b) 5 days.

Work: 10/2=5 10-10=$0

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Find the value of c that completes the square for x2−15x+c

meriva

Answer:

The value of c is $\frac{225}{4}$ .

Step-by-step explanation:

The perfect square of the difference between two numbers is:

$(x-y)^{2}=x^{2}-2xy+y^{2}$

The expression provided is:

$x^{2}-15x+c$

The expression is a perfect square of the difference between two numbers.

One of the number is x and the other is √c.

Use the above relation to compute the value of c as follows:

$x^{2}-15x+c=(x-\sqrt{c})^{2}\\\\x^{2}-15x+c=x^{2}-2\cdot x\cdot\sqrt{c}+c\\\\15x=2\cdot x\cdot\sqrt{c}\\\\15=2\cdot\sqrt{c}\\\\\sqrt{c}=\frac{15}{2}\\\\c=[\frac{15}{2}]^{2}\\\\c=\frac{225}{4}$

Thus, the value of c is $\frac{225}{4}$ .

5 0

3 years ago

My mom ran a errand that took 45 minutes if she left at 2:10 p.m. what time did she return

IRISSAK [1]

Answer:

2:55 p.m

Step-by-step explanation:

Have a Great Day!!

4 0

3 years ago

Read 2 more answers

2/3 ÷ 2/12= What is the answer?

Lynna [10]

It’s 4 have a good day

7 0

3 years ago

Tamir bought 2 1/2 pounds of fish at $5.50 per pound, and two bananas at $0.45 each.

tia_tia [17]

0.45+0.45= $0.90 + 5.50x2+2.25=$13.25 13.25+0.90 =$14.50 he would get $5.50 back out of the 20$ spent

6 0

3 years ago

Techwiz electronics makes a profit of $35 for each MP3 player sold and $18 for each DVD player sold. Last week, Techwiz sold a c

kicyunya [14]

The combined total profit is (17x + 2502) dollars

Solution:

Profit for each Mp3 player = $ 35

Profit for each DVD player = $ 18

Let x be the number of MP3 players sold last week

Number of MP3 players = x

Last week, Techwiz sold a combined total of 139 MPS and DVD players

Total number of mp3 and dvd sold = 139

Number of DVD player = 139 - x

Write an expression for the combined total profit (in dollars) Techwiz made from MP3 and DVD players last week.

Combined total profit = Number of MP3 players x Profit for each Mp3 player + Number of DVD player x Profit for each DVD player

$combined\ total\ profit = x \times 35 + (139-x) \times 18\\\\combined\ total\ profit = 35x + 2502-18x\\\\combined\ total\ profit = 17x + 2502$

Thus the combined total profit is (17x + 2502) dollars

3 0

3 years ago