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Ber [7]
3 years ago
12

#1 Solving systems of equations by elimination Show work please!!

Mathematics
1 answer:
Andrej [43]3 years ago
6 0

Answer:

x=3 y=-4

Step-by-step explanation:

i graphed them and found the intersection between them.

-4(3)-2(-4)=-4           -12+8=-4        -4=-4   so correct

3+-8=-5      -5=-5 so correct

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Find the area of the sector. Round the answer to the nearest tenth.
Marizza181 [45]

Answer:

63.4

Step-by-step explanation:

Area of arc is (pi*(11)^2*(60/360))=63.4

3 0
3 years ago
You flip three coins. What is the probability of getting at least two heads? How do you know?
valkas [14]

Answer:

2/3

Step-by-step explanation:

4 0
3 years ago
5. A fruit concentrate is sold in 250 mL packs. The instructions are 'Add water to make one litre of ready-to-drink fruit juice'
Ierofanga [76]
Given ,

Concentrate= 250 mL

Water = 1 liter = 1000 mL

A) ratio is 250:1000 = 1:4

B) for 250 mL it is 1 liter now for 2000mL it is X .

=> x = 2000/250 = 8 liters

C) volume of water in 6L of made up juice is 1500 mL

D) 1 liter - 5 glasses

For 80 glasses it would be 80/5 = 16 glasses
4 0
2 years ago
Plz, help I beg you to answer this correctly there are 3 answers worth 10 points if you answer it correct I will give brainlyest
Dmitry_Shevchenko [17]

Answer:

2. 5(b+3)

3. 5b + 15

4. 15 + 5b

Step-by-step explanation:

area of rectangle = length * breadth

length= b+3

breadth = 5

3 0
3 years ago
37. Use the equation below to answer parts a-c.
maw [93]

Answer:

Step-by-step explanation:

Here you go mate

Use PEMDAS

Parenthesis

Exponent

Multiplication

Division

Addition

Subtraction

Step 1

3(-2x+4) =-6x-12  Equation/Question

Step 2

3(-2x+4) =-6x-12  Remove parenthesis

-6x+12=-6x-12

Step 3

-6x+12=-6x-12  Add 6x to sides

12=-12

Step 4

12=-12  Subtract 12 from sides

-24=0

Answer

No solutions

Hope this helps

6 0
3 years ago
Read 2 more answers
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