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DiKsa [7]
3 years ago
11

Help I need it fast if I will fail this homework

Mathematics
1 answer:
sveticcg [70]3 years ago
6 0

Answer:

y=\frac{10}{30} x+90

Step-by-step explanation:

y = mx + b is the formula for slope intercept form

Mark as brainliest if correct :)

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WILL GIVE BRAINIEST NO CAP!! A mine extracts 2 tons of ore in an hour. Of the total ore extracted in a day, 4 tons is purchased
Nata [24]

Answer: x>7

Step-by-step explanation:

Because 2 tons of ore in an hour  

It says that the government purchase 4 tons, and 10 tons are sold to the mineral extractor  

4+10=14

14÷2=7

14>7

4 0
3 years ago
There is a bag with only red marbles and blue marbles.
natulia [17]

Answer:

There must be 35 red marbles.

Step-by-step explanation:

This question can be solved using a rule of three.

A probability is the number of desired outcomes divided by the number of total outcomes.

The probability of randomly choosing a red marble is 7/9.

This means that for each set of 9 marbles, 7 must be red.

There are 45 marbles in total in the bag and each is equally likely to be chosen. Work out how many red marbles there must be.

How many red marbles out of 45?

7 red - 9 marbles

x red - 45 marbles

9x = 45*7

Simplifying by 9

x = 5*7

x = 35

There must be 35 red marbles.

6 0
3 years ago
A lot of 9 components contains 3 that are defective. Two components are drawn at random and tested. Let be the event that the fi
kirza4 [7]

Answer:

Probabilty of first component drawn defective= 0.1161

Probability of second component drawn defective= 0.1560

Step-by-step explanation:

Total component = 9

Defective component= 3

Non-defective component= 6

Probability of defective= 3/9

= 0.3333

Probabilty of non defective= 1-0.3333

= 0.6666

Probabilty of first component drawn is defective

= 9C1(0.333)¹(0.6666)^8

= 9(0.3333)(0.0387)

= 0.1161

Probabilty of second component is defective

= 8C1(0.3333)¹(0.6666)^7

= 8(0.3333)(0.0585)

= 0.1560

7 0
3 years ago
There are 8 classes in the cafeteria. the ratio of the kindergarten classes to other classes was 1:3. how many classes were NOT
Maru [420]

Answer:

6

Step-by-step explanation:

1+3=4

8÷4=2

Kindergarten = 2×1 =2

Other class = 2×3=6

Ratio of kindergarten classes to other classes is 2:6

8 0
3 years ago
PLEASE HELP ASAP!!
Igoryamba

Answer:

The equation is true when x = <u>4</u> because <u>6(4) = 24 </u>that is x=4 satisfies the given equation.

Step-by-step explanation:

Given: 6x=24

To find: x

Solution:

A equation is a statement that defines the equality of two expressions or numbers.

6x=24

Divides both sides by 6

\frac{6x}{6}=\frac{24}{6}\\x=4

Therefore,

The equation is true when x = <u>4</u> because <u>6(4) = 24 </u>that is x=4 satisfies the given equation.

3 0
4 years ago
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