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2 years ago

Describe three different methods to solve x²- x - 56 =0

Mathematics

1 answer:

Vika [28.1K]2 years ago

5 0

Methods: 1) Factoring 2) Complete the square 3) Quadratic form

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Question is on the photo pls help

Bond [772]

Answer:

d)-8

Step-by-step explanation:

-6s-¹t²
-6(3)-¹(-2)²
-6(⅓)(4)
-8

4 0

2 years ago

4.8 + 2.2w − 1.4w + 2.4

Lostsunrise [7]

Answer:

7.2 + 0.8w

Step-by-step explanation:

combine like terms. Like terms have same variable with same power.

2.2w and (-1.4w) are like terms & 4.8 and 2.4 are like terms.

4.8 + 2.2w - 1.4w + 2.4 = 4.8 + 2.4 + 2.2w - 1.4w

= 7.2 + 0.8w

5 0

2 years ago

Read 2 more answers

Fifty percent of students in your school own a bike. Of a sample of students in your school, the ratio of students who own a bik

Svetradugi [14.3K]

Answer:

Yes

Step-by-step explanation:

If 4 is half of 8, and 50% is half of 100%, then 4:8 is an accurate ratio depecting that half the school owns a bike.

8 0

2 years ago

Read 2 more answers

Simplify.055-(0.9-0.8).4

tiny-mole [99]

54.96 Hope this helps

7 0

3 years ago

Read 2 more answers

Estimate numbers 1-4 from the tens place value.<br> 1. 89<br> 2. 64<br> 3. 985<br> 4. 467

zhenek [66]

$\huge\text{Hey there!}$

$\huge\text{We are not sure what you want us to}\\\huge\text{round to so I will...}\huge\boxed{\downarrow}\\\\\\\huge\boxed{\mathsf{original \ number\rightarrow tens\rightarrow hundreds/thousands}}$

$\huge\boxed{1.) \ \mathsf{89} \rightarrow \bold{90}\rightarrow\bf 100}}\\\huge\boxed{2.) \mathsf{\ 64\rightarrow \bold{6} \rightarrow \bf 100}}\\\huge\boxed{3.) \mathsf{ \ 985 \rightarrow \bold{990}\rightarrow \bf 1,000}}\\\huge\boxed{4.)\mathsf{\ 467\rightarrow\bold{470}\rightarrow \bf 500}}}$

$\huge\textsf{Reminder: If you have \bf 0 - 4 you are going}\\\huge\textsf{\bf downward \& 5 - 9 you are going upward}$

$\huge\text{Good luck on your assignment \& enjoy your day!}$

~ $\huge\boxed{\frak{Amphitrite1040:)}}$

5 0

3 years ago