2 years ago

Place the appropropriate symbol betwen each of the following pairs of numbers a: -4

Mathematics

1 answer:

ehidna [41]2 years ago

3 0

Answer:

Step-by-step explanation:

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X2+5x=3x+11 and solve by completing the square

Butoxors [25]

$x^2+5x=3x+11\\
x^2+2x-11=0\\
x^2+2x+1-12=0\\
(x+1)^2=12\\
x+1=\sqrt{12} \vee x+1=-\sqrt{12}\\
x=-1+2\sqrt3 \vee x=-1-2\sqrt3$

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3 years ago

You have a recipe that indicates to use 3 parts milk for every 2 parts sugar You use 12 cups of milk How much sugar do you need

Stells [14]

Proportion
3 parts milk. 12cups
2 parts sugar X

8 cups sugar

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3 years ago

Cindy has 30 meters of fencing. She

bogdanovich [222]

The run can be made 11 meters long

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3 years ago

Question 8<br> Calculate the difference (4x2 + x - 5) – (5x2 - 1).

Rufina [12.5K]

Answer:

x - 6

Step-by-step explanation:

(4x2 + x - 5) - (5x2 - 1)

According to the order of operations, parenthesis come first so we will solve what is in the parenthesis first.

Then we do the multiplication because it comes before addition and subtraction.

4x2 = 8

Now we have 8 + x - 5

Combine like terms and 8-5=3 so we have 3 + x

Now for the second one.

5x2=10

10-1=9

Subtracting this from the first expression we have:

3+x-9 =

x - 6

7 0

2 years ago

Ava bought 7.73 pounds of fruit for a class party. the class ate 3.59 pounds of the fruit. how much fruit is left?

dem82 [27]

Ava bought $7.73$ pounds of fruit for a class party , class ate $3.59$ pounds fruits then $4.14$ pounds fruit left after party.

How can we find how much fruit is left after party ?

Ava bought $=7.73$ pounds fruit

ate by class $=3.59$ pounds fruit

fruit left after party $= total fruit -fruit ate by class$

$= 7.73-3.59\\=4.14$

So $4.14$ pound fruit is left .

Learn more about the fruit left here :

brainly.com/question/28048819

#SPJ4

6 0

2 years ago