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3 years ago

Please help I will reward brainly. This needs done now Thanks

Mathematics

1 answer:

kenny6666 [7]3 years ago

7 0

Use Desmond use desmos, it’s an app you can get and it’s free and it’ll grapgh things for you

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What is the value of 5^3¡^9

OLEGan [10]

Answer:

$125i$

Step-by-step explanation:

We want to find

$5^3i^9$

This can be rewritten as;

$5^3i^8\times i$

$5^3(i^2)^4\times i$

Recall that; $i^2=-1$

$5^3(-1)^4\times i$

We evaluate now to obtain;

$125(1)\times i=125i$

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3 years ago

A kitchen measures 3.75 meters by 4.2 meters.

dalvyx [7]

Answer:

a. $A_{(kitchen)}=15.75\ m^2$

b. $A_{(total)}=39.375\ m^2$

Step-by-step explanation:

The formula for calculate the area of a rectangle is:

$A=lw$

Where "l" is the lenght and "w" is the width

a. We know that the kitchen measures 3.75 meters by 4.2 meters; then we can say that:

$l=3.75\ m\\\\w=4.2\ m$

Therefore, substituting these values into the formula, we get that the area of the kitchen is:

$A_{(kitchen)}=(3.75\ m)(4.2\ m)=15.75\ m^2$

b. The area of the living room is one and a half times (1.5 times) that of the kitchen, this is:

$A_{(living)}=(1.5)(15.75\ m)=23.625\ m^2$

Therefore, the total of the living room and the kitchen is:

$A_{(total)}=15.75\ m^2+23.625\ m^2=39.375\ m^2$

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3 years ago

For Mother's Day, Meghan bought her mother flowers that cost $25.34 and a card that was $2.99. She also bought herself a candy b

sladkih [1.3K]

Answer:

1.10

Step-by-step explanation:

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3 years ago

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What is 7.65% of $509.25

harina [27]

Answer:

38.957625 US$

Step-by-step explanation:

38.957625 US$

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3 years ago

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When solving proportions, we set the cross products equal and then we ________.

Olin [163]

Multiply each number across from another

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