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alexandr402 [8]

3 years ago

11

Stan bought 8 pairs of pants and 8 shirts. Each shirt cost $11 and each pair of pants cost $7. How much more did Stan spend on s

hirts?

2 answers:

love history [14]3 years ago

6 0

88+56=144!!!!!!!!!!!!!!

antoniya [11.8K]3 years ago

6 0

8 shirts equal 88
8 pants equal 56
88+66=144

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Standard deviation of 300, 785, 670, 187, 760, 724

White raven [17]

STEP 1

Mean = $\frac{300+785+670+187+760+724}{6} = \frac{3426}{6}=571$

STEP 2

Subtract the mean from each data value then square the answer
$300-571=-271$ ⇒ $(-271)^{2} =73441$
$785-571=214$ ⇒ $(214)^{2}=45796$
$670-571=99$ ⇒ $(99)^{2}=9801$
$187-571=-384$ ⇒ $(-384)^{2} =147456$
$760-571=189$ ⇒ $189^{2}=35721$
$724-571=153$ ⇒ $153^{2} =23409$

STEP 3

Add the squared answers in STEP 2 then find the mean

$\frac{73441+45796+9801+147456+35721+23409}{6}= \frac{335624}{6}=55937.3$

STEP 4

Square root the answer in STEP 3
$\sqrt{55937.3} =236.5$

Standard deviation is 236.5

7 0

3 years ago

What is the perimeter of parallelogram HIJK? Round to the nearest hundredth.

bixtya [17]

Answer:

Perimeter of the parallelogram = 26.64 units

Step-by-step explanation:

The perimeter of parallelogram = 2(a + b)

Here a = KJ = 7 units.

b = HK

We need to find the HK using the distance formula.

Distance formula = $\sqrt{(x2 - x1)^2 + (y2 - y1)^2}$

H = (-4, 3) and k = (-2, -3)

Now plug in x1 = -4, y1 =3, x2 = -2, y2 = -3 in the distance formula

HK = $\sqrt{(-2 -(-4))^2 + (-3 - 3)^2}$

= $\sqrt{(-2 +4)^2 + (-6)^2}$

= $\sqrt{4 + 36}$

= $\sqrt{40}$

HK = b = 6.32 units

Now plug in a = 7 and b = 6.32 in the perimeter formula, we get

Perimeter = 2(7 + 6.32)

= 2(13.32)

= 26.64 units

Thank you.

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3 years ago

How do i solve 2x-y=9

devlian [24]

20 with a number minus what will equal 9. ^_^

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3 years ago

Can someone pls help

Basile [38]

Answer:

15x - 2.

Step-by-step explanation:

3x - 1 + 2x + 1 + 4x - 2 + 4x - 4 + 2x + 4

= 15x - 2.

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According to the graph, what is the domain and range of the function?

Ratling [72]

Domain is: -∞, ∞

Range is: 16, -∞

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