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3 years ago

Cyrus solved a quadratic equation. His work is shown below.

Mathematics

2 answers:

ASHA 777 [7]3 years ago

7 0

Answer:

sorry the text is all messsed up so i cant answer the questionstep #

Brrunno [24]3 years ago

3 0

Answer:

Step 2

Step-by-step explanation:

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marissa claims she makes 15 calls per night at an average of 6 minutes per call. one evening, her parents kept track of each cal

emmainna [20.7K]

Marissa's claim was accurate. the average of these minute counts is 6 minutes, which is what Marissa claimed.

6 0

4 years ago

Simplify the complex fraction. 8/5 divide by 6 3/4 *

hichkok12 [17]

Step-by-step explanation:

$\frac{8}{5}$ ÷6 $\frac{3}{4}$

First, simplify the 6 $\frac{3}{4}$ to an improper fraction, which is:

$\frac{27}{4}$

Next rewrite the equation using the improper fraction:

$\frac{8}{5}$ ÷ $\frac{27}{4}$

Now, in order to divide the fraction, we will need to flip the second fraction over, and then multiply the two fractions together. A great way to remember this is the phrase Copy Dot Flip - Copy the first fraction, put a dot for multiplication, and flip the second fraction.

$\frac{8}{5}$ · $\frac{4}{27}$

Finally, multiply together and simplify/reduce if needed:

The final answer is $\frac{32}{135}$ and no simplification or reduction is needed

4 0

4 years ago

How far away from home was she ?

Vlad [161]

Approx. 5 miles I would say give or take the 1/2 mile shortcut by taking a straight path back to the house. I don't know if you need an exact distance but I hope this helps.

6 0

3 years ago

Jasmine and Daniel each improved their yards by planting grass sod and geraniums. They bought their supplies from the same store

Burka [1]

Answer:

Cost of 1 ft²: $7

Cost of 1 ft² of geranium: $6

Step-by-step explanation:

Let x be the cost of a ft² of grass

Let y be the cost of a ft² of geranium

13x + 9y = 145

4x + 12y = 100

x + 3y = 25

x = 25 - 3y

13(25 - 3y) + 9y = 145

325 - 39y + 9y = 145

180 = 30y

y = 6

x = 25 - 3(6)

x = 7

4 0

4 years ago

1/3 (x -10) = -4 x = ?

pishuonlain [190]

Answer:

x = -2

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers