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Nataliya [291]
4 years ago
5

I need 7-12 please!!!

Mathematics
1 answer:
sergiy2304 [10]4 years ago
6 0

Answer:

number 7 is y= \frac{-ax+c}{b}

Step-by-step explanation:

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a greenhouse has the shape of a square pyramid. the base has a side length of 30 yards. the height of the greenhouse is 18 yards
snow_lady [41]

space inside the greenhouse is 5,400 yards^3 .

<u>Step-by-step explanation:</u>

We have , a greenhouse has the shape of a square pyramid. the base has a side length of 30 yards. the height of the greenhouse is 18 yards.  We need to find how much space is inside the greenhouse . Let's find out:

We know that Volume of square Pyramid is , Volume = A(\frac{h}{3}) Where

a = Area of Base

h = height of Pyramid

According to Question , h=18 yards and , side = 30 yards , So Area of base

⇒ (side)^2

⇒ (30)^2

⇒ 900yards^2

Now , Volume is

⇒ A(\frac{h}{3})

⇒ 900(\frac{18}{3})

⇒ 900(6)

⇒ 5,400 yards^3

Therefore, space inside the greenhouse is 5,400 yards^3 .

5 0
3 years ago
Name the quantity measured by each of the seven si base units and give the si symbol of the unit
Nikolay [14]

Answer:

Length , time, mass, current, temperature, amount of mass, luminous intesity

m, sec, kg, A, K, mol, cd

Step-by-step explanation:

Seven basic SI units are used for measurement of

Meter for length

Second for time

Kilogram for mass

Ampere for current

Kelvin for temperature

Mole for amount of mass

Candela for luminous intensity

Symbols of these SI units are

m for meter

sec for second

kg for kilogram

A for ampere

K for kelvin

mol for mole

cd for candela

5 0
3 years ago
Write an expression that represents the value, in cents, if n nickels.
Mademuasel [1]
1, 10, 25, 50, and so on...
8 0
3 years ago
At what rate was an investment made that obtains $125.37 on $597 over three years?
Serjik [45]
I use simple annual interest to solve the problem

<span>$125.37 -------------------------------- 3 years
X-------------------------------------------> 1 year
X=125.37/3=</span>$41.79/ year

<span>$597--------------------->100%
</span>$41.79---------------------X%

X=41.79*100/597=7%
 The rate was 7%
5 0
4 years ago
Please help me 60 points
djyliett [7]
I am 1000000% certain it is option C. 
4 0
4 years ago
Read 2 more answers
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