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3 years ago

What multiplies to get -2 and adds to get -5

Mathematics

1 answer:

tatyana61 [14]3 years ago

6 0

You would have to use the quadratic formula because it’s not a perfect square

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James knows that when he walks, he takes about 120

Tpy6a [65]

Answer:

speed of James is: 3.75 miles/hour.

Step-by-step explanation:

We need to find the speed of James in miles per hour(mi/hr)

we know that 1 mile=5280 feet

James takes 120 steps in 1 minute so he will cover 120×60 steps in 1 hour.

i.e. he takes 7200 steps in 1 hour.

also each step of James=2.75 feet

total distance covered by James in 1 hour=2.75×7200 feet=19800 feet

$19800feet=\frac{19800}{5280} miles=3.65miles$

hence speed of James= (distance covered by james in 1 hour)/1 hour

speed of James=3.75 miles/hour.

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7 0

2 years ago

Read 2 more answers

Tanner collected 360 cans and cans and bottles while fundraising for his baseball team this was 40% of what Reggie collected how

Colt1911 [192]

360÷0.40 =144

360 +144 = 504

7 0

2 years ago

A new neighborhood activity complex is being built in erie. The perimeter of the rectangular playing field is 256 yards. The len

maw [93]

Answer:

The length of the rectangular playing field is 84 yards and the width is 44 yards

Step-by-step explanation:

Let

x ------> the length of the rectangular playing field

y -----> the width of the rectangular playing field

we know that

The perimeter of the rectangular playing field is equal to

$P=2(x+y)$

$P=256\ yd$

$256=2(x+y)$ ------> equation A

we have that

$x=2y-4$ -----> equation B

Solve the system by substitution

Substitute equation B in equation A and solve for y

$256=2(2y-4+y)$

$128=3y-4$

$3y=128+4$

$3y=132$

$y=44$

Find the value of x

$x=2(44)-4=84$

therefore

The length of the rectangular playing field is 84 yards and the width is 44 yards

4 0

3 years ago

Use an equation to model the relationship in the table .

natima [27]

Y = 162 - x would be the equation for the lower data set.

8 0

2 years ago

The diameter of a circle is 2 meters. What is the area?<br> Exact answer in simplest form

kow [346]

Answer:

22/7

Step-by-step explanation:

Diameter is 2m

we know,

radius= Diameter/2

r = d/2

r = 2/2

r = 1

Now,

area of circle= πr^2

22/7 * 1^2

22/7 ....... answer

7 0

2 years ago

Read 2 more answers

What multiplies to get -2 and adds to get -5​

What multiplies to get -2 and adds to get -5