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3 years ago

I need help! Please.

Mathematics

1 answer:

bekas [8.4K]3 years ago

8 0

Answer: For the first one its Glenda, The second one is Shasta and the third is felix and the last one on this is preston

Step-by-step explanation: Hope this helps have a good day

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A 250 ml bottle of water treatment liquid will treat up to 625 litres of water. Given that 1 cubic meter=1000 litres, how much t

kupik [55]

You will need:
(2240/625)*250=896 ml of treatment liquid.
If each bottle contains 250 ml you'll need 3.6 bottles (3 bottles and a bit more than half a bottle).

I do not think you need the conversion 1 cubic meter=1000 litres unless the volume of the tank is in cubic meters BUT 2240 cubic meters seems too large!

5 0

2 years ago

What is 2a-3 when a=6

solong [7]

When a=6,

2a - 3 = 2(6) - 3 = 12 - 3 = 9

6 0

3 years ago

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Someone please help me I’ll give out brainliest please dont answer if you don’t know order of operation

Bad White [126]

Answer:

PEMDAS (Paranthesis (), Exponnets^2, Multiplication X, Division 1/2(or fractions, Addtion +, and Subtraction -

Step-by-step explanation:

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2 years ago

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asher wants to place a fence around his backyard. the backyard is 8 feet long and 7 feet wide. what is the total length of fence

3241004551 [841]

You find the perimeter. 8+8+7+7=30.

8 0

2 years ago

HELP PLS QUICK

Daniel [21]

Answer:

$\displaystyle d \approx 7.07$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Reading a Cartesian plane
Coordinates (x, y)

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Point C (-2, 0)

Point D (3, 5)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

Substitute in points [Distance Formula]: $\displaystyle d = \sqrt{(3+2)^2+(5-0)^2}$
[√Radical] (Parenthesis) Add/Subtract: $\displaystyle d = \sqrt{(5)^2+(5)^2}$
[√Radical] Evaluate exponents: $\displaystyle d = \sqrt{25+25}$
[√Radical] Add: $\displaystyle d = \sqrt{50}$
[√Radical] Simplify: $\displaystyle d = 5\sqrt{2}$
[√Radical] Evaluate: $\displaystyle d = 7.07107$
Round: $\displaystyle d \approx 7.07$

3 0

2 years ago