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ollegr [7]
3 years ago
14

Draw a diagram of a hot used in storing grains which is in the shape of a triangular prison mounted on a keyboard if the dimensi

ons are as follows 3m,5m,6m,12m,8m, calculate the volume of the hot.Calculate the total external surface of the hot
Mathematics
1 answer:
icang [17]3 years ago
6 0

Answer:

ur mum

Step-by-step explanation:

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5. SHOPPING Two stores are having a sale on T-shirts
valkas [14]

Answer:

x=20% discount

y=$5 discount

Step-by-step explanation:

let

x= % of discount

y= amount of discount

Price of t shirt in store S=20 - 20x

Price of t shirt in store T= 20 -y

Rose spends $63 for three T-shirts from store S and one from Store T

Store S=20-20x

Store T=20-y

3 shirts from store S=3(20-20x)

1 from Store T=20-y

3(20-20x) + (20-y)=63

60 - 60x + 20-y=63

-60x - y= -17 (1)

Manny spends $140 on five T-shirts from store S and four from Store T

5(20-20x)+4(20-y)=140

100-100x+80-4y=140

-100x - 4y= -40 (2)

Solve eq 1 and 2

-60x - y= -17

-100x - 4y= -40

Multiply (1) by -4

-4(-60x-y)= -17*-4

240x+4y=68 (3)

-100x-4y=-40 (2)

Subtract (2) from (3)

140x=28

x=28/140

x= 0.2

substitute the value of x in (1)

-60x - y= -17

-60(0.2)-y=-17

-12-y=-17

-y=-17+12

-y=-5

Divide both sides by -1

-y/-1=-5/-1

y=5

Therefore,

x=0.2=20% discount

y=$5

5 0
3 years ago
Plz help me with this problem guys
Tju [1.3M]
The length of LM Left and M
5 0
4 years ago
Tell weather -3>-x/5; x =10 is a solution of inequality
chubhunter [2.5K]

Answer: \begin{bmatrix}\mathrm{Solution:}\:&\:x>15\:\\ \:\mathrm{Interval\:Notation:}&\:\left(15,\:\infty \:\right)\end{bmatrix}

Step-by-step explanation:

-3>-\frac{x}{5}

-\frac{x}{5}

5\left(-\frac{x}{5}\right)

-x

\left(-x\right)\left(-1\right)>\left(-15\right)\left(-1\right)

x>15

4 0
3 years ago
Read 2 more answers
Determine an equation that describes the number of bacteria in both the foods when they are mixed.
Leto [7]

The equation that describes the number of bacteria in both the foods when they are mixed is; Option C: 35T₂ + 55T + 450

<h3>How to simply quadratic Equations?</h3>

We are given the equations that describes the number of bacteria in both the foods when they are mixed.

Equation for first bacteria is;

N₁(T) = 15T₂ + 60T + 300

Equation for second Bacteria is;

N₂(T) = 20T² - 5T + 150

The equation that describes the number of bacteria in both the foods when they are mixed is;

N₁(T) + N₂(T) = 15T₂ + 60T + 300 +  20T² - 5T + 150

⇒ 35T₂ + 55T + 450

Read more about Simplifying Quadratic Equations at; brainly.com/question/1214333

#SPJ1

7 0
2 years ago
The water level in an ocean bay changes at an average rate at 3 meters per hour. at this rate, how many hours would it take for
11Alexandr11 [23.1K]
You can just do 12/3 which = 4.
Broken down you will see,
3m = 1hr
6m = 2hr
9m = 3hr
12m = 4hr
So the answer is 4hours
4 0
3 years ago
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