All categories

2 years ago

Complete the function table for y=2.5x−8 .

Mathematics

2 answers:

Black_prince [1.1K]2 years ago

4 0

Answer:

x=3.2

Step-by-step explanation:

Makovka662 [10]2 years ago

3 0

X= 3.2 because...
To find x- the intercept/zero, substitute y=0
0=2.5x - 8
Move the variable to the left- hand side and change its sign
-2.5x = - 8
Divide both sides of the equation by -2.5
x=3.2

:) .-.

You might be interested in

A Social welfare association decides to supply drinking water for the flood affected people. The drinking water is filled in a c

pickupchik [31]

Answer:

1,499 liter

Step-by-step explanation:

The rest of the question is:

each is in the shape of a cylinder of radius 21 cm and height is 50 cm.

==============================================================

The quantity of water left in the tanker after distribution

= Total quantity - Distributed quantity

Total quantity = Volume of the giving figure

= Volume of the cylinder + volume of 2 hemispheres

Volume of the cylinder of 4.2 m length and 1.2 m of a diameter.

L = 4.2 and radius = r = 0.5 * diameter = 0.5 * 1.2 = 0.6

Volume of cylinder = π r² L = (22/7) * 0.6² * 4.2 = 4.752 m³

Volume of 2 hemispheres = 2*0.5 * (4/3) π r³ = (4/3) * (22/7) * 0.6³

=792/875 m³

Total volume = 4.752 + 792/875 = 198/35 ≈ 5.657 m³

Distributed quantity = 60 times the volume of a cylinder of radius 21 cm and height is 50 cm

Distributed quantity = 60 * π r² L = 60 * (22/7) * 21² * 50 = 4,158,000 cm³

Since 1 m³= 1,000,000 cm³

Distributed quantity = 4,158,000 cm³ = 4.158 m³

The quantity of water left in the tanker after distribution =

= 198/35 - 4.158 ≈ 1.499 m³

Since 1 m³= 1,000 liter

The quantity of water left in the tanker after distribution =

= 1.499 m³ = 1.499 * 1000 = 1,499 liter

7 0

3 years ago

Read 2 more answers

Multiple choice geometry helPppp

allsm [11]

Answer: D

Step-by-step explanation:

Use SOHCAHTOA

We are given the opposite of the angle and the hypotenuse. We can use the sine function to acquire the value of x°.

sin(x) = 7/13

Take the inverse sine on both sides by using a calculator to get:

x = 32.58°

5 0

2 years ago

Read 2 more answers

Melinda earns 10 minutes to play video games for every hour she spends on homework.

Naily [24]

Answer:

30 minutes

Step-by-step explanation:

if she earns 10 minutes per hour and there are 3 hours, 10 times 3 is 30

6 0

3 years ago

Read 2 more answers

A box contains 8 two-inch screws. Four have a Phillips head and 4 have a slotted head. In how many ways can 4 screws be chosen s

hammer [34]

Answer:

There are $6\cdot 6=36$ different ways to choose 4 screws such that 2 have a Phillips head and 2 have a slotted head.

Step-by-step explanation:

If 4 screws must be chosen so that 2 have a Phillips head and 2 have a slotted head, then you have to choose 2 screws with a Phillips head from 4 screws with a Phillips head and 2 screws with a slotted head from 4 screws with a slotted head.

You can choose 2 screws with a Phillips head from 4 screws with a Phillips head in

$C^4_2=\dfrac{4!}{2!(4-2)!}=\dfrac{4!}{2!\cdot2!}=\dfrac{1\cdot2\cdot3\cdot4}{1\cdot2\cdot1\cdot2}=6$

different ways.

You can choose 2 screws with a slotted head from 4 screws with a slotted head in

$C^4_2=\dfrac{4!}{2!(4-2)!}=\dfrac{4!}{2!\cdot2!}=\dfrac{1\cdot2\cdot3\cdot4}{1\cdot2\cdot1\cdot2}=6$

different ways.

In total there are $6\cdot 6=36$ different ways to choose 4 screws such that 2 have a Phillips head and 2 have a slotted head.

7 0

3 years ago

Riz got $200 for his birthday. He bought several long tennis rackets that cost $45.50 each. After the purchase he has $18 . Writ

Sladkaya [172]

Answer:

he has bought 18 rackets.

Step-by-step explanation

papa loves a big juicy peen inside of him

8 0

2 years ago

Read 2 more answers