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3 years ago

Mary bought 4 small cookies for 40 cents each and 2 large cookies for 90 cents each how much did she spend all together

Mathematics

1 answer:

babunello [35]3 years ago

4 0

Answer:

$3.40

Step-by-step explanation:

4x.40 is 1.60

2x.90 is 1.80

Then you take 1.80+1.60 to get $3.40 Hope this helps!

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Solve the inequality. -z+20>z+20

Scilla [17]

$-z+20 > z+20\ \ \ \ \ \ |subtract\ 20\ from\ both\ sides\\\\-z > z\ \ \ \ \ |add\ z\ to\ both\ sides\\\\0 > 2z\\\\2z < 0\ \ \ \ \ \ \ |divide\ both\ sides\ by\ 2\\\\z < 0\\\\z\in(-\infty;\ 0)$

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3 years ago

Read 2 more answers

Subtract 2x - 6 from 4x + 9

Liono4ka [1.6K]

Answer:

-2x - 15

Explanation:

(2x - 6) - (4x + 9)

2x - 6 - 4x - 9

-2x - 15

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3 years ago

T varies inversely with the cube of W. When W is 3, T is 1/9. Find the value of W when T is 1/243

Lera25 [3.4K]

T varies inversely with the cube of W

$T = k/W^3$

$\frac{1}{9} = k/3^3$

$k = \dfrac{3^3}{9} = 3$

$W^3 = k/T$

$W = \sqrt[3]{ k/T }$

When $T=1/243$

$W = \sqrt[3]{ 3/(1/243)}= \sqrt[3]{729} = 9$

5 0

3 years ago

I need the answer :(

laiz [17]

Answer:

z=62 degrees

y=117 degrees

Step-by-step explanation:

z is just supplement of 118 degree angle. So z is just 180-118=62.

The sum of all angles in the four sided shape is ((number of sides)-2)180.

(4-2)180=360.

We know three angles already.

360-62-97-84=117

Thus, y is 117 degrees.

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3 years ago

What is 6,403.5 rounded to the nearest thousand?

lana66690 [7]

It is 6,000. 6,403.5 rounds down to 6,000. Hope this helps!

Can u plz mark me as brainliest?? I really need it!

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3 years ago