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melomori [17]
3 years ago
5

Plz help!!!!!

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
8 0
Year 9 : $1,400.Year 14: $750.Average rate of change = ( $1,400 - $750 ) / ( 14  - 9 ) = = $650 / 5 = $130Answer: A ) $130 / year

kow [346]3 years ago
4 0

A ) $130 / year is the answer

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A 40% sugar solution is added to an 85% sugar solution to create 1800 mL of a 60% solution. How much of each solution is used? (
denis-greek [22]

Answer:

Number of ml of 40% sugar = x = 1000mL

Number of ml of 85% sugar used = y = 800mL

Step-by-step explanation:

Let the

Number of ml of 40% sugar = x

Number of ml of 85% sugar used = y

From the above question, our system of equations is given as:

x + y = 1800mL ....... Equation 1

x = 1800 - y

40% × x + 85% × y = 60% × 1800mL

0.4x + 0.85y = 1080.... Equation 2

We substitute 1800 - y for x in Equation 2

0.4(1800 - y) + 0.85y = 1080

720 - 0.4y + 0.85y = 1080

- 0.4y + 0.85y = 1080 - 720

0.45y = 360

y = 360/0.45

y = 800mL

Solving for x

x = 1800 - y

x = 1800 - 800

x = 1000mL

Therefore,

Number of ml of 40% sugar = x = 1000mL

Number of ml of 85% sugar used = y = 800mL

4 0
3 years ago
The sum of all the positive terms in the geometric sequence 54, -36, 24, -16, ... is
Nat2105 [25]

Answer:

see the pic above for answer

I hope it helps you, mate

3 0
3 years ago
Solve the equation for x. 10x= 120​
Dominik [7]

Answer:

x = 12

Step-by-step explanation:

10x = 120                 original equation

10x/10 = 120/10       divide both sides by 10

x = 12                       simplify

Check work:

10(12) = 120

120 = 120 (true)

6 0
3 years ago
Read 2 more answers
I dont really understand it HELP :/
Butoxors [25]

Answer:

help

/hɛlp/

Learn to pronounce

verb

1.

make it easier or possible for (someone) to do something by offering one's services or resources.

"they helped her with domestic chores"

Similar:

assist

aid

help out

lend a hand to

lend a helping hand to

give assistance to

come to the aid of

succour

aid and abet

be of service to

be of use to

be useful to

do someone a favour

do someone a service

do someone a good turn

bail/bale someone out

come to someone's rescue

give someone a leg up

cooperate with

do one's bit for

rally round

pitch in

chip in

save someone's bacon

save someone's skin

muck in with

get stuck in with

Opposite:

hinder

2.

serve someone with (food or drink).

"may I help you to some more meat?"

noun

the action of helping someone to do something.

"I asked for help from my neighbours"

Similar:

assistance

aid

a helping hand

support

succour

advice

guidance

solution

benefit

use

advantage

service

comfort

avail

cooperation

collaboration

backing

encouragement

a shot in the arm

Opposite:

hindrance

exclamation

used as an appeal for urgent assistance.

"Help! I'm drowning!"

Definitions from Oxford Languages

Feedback

Translations and more definitions

People also ask

What is a fancy word for help?

Step-by-step explanation:

3 0
3 years ago
In your own words, what is a rigid motion?
jonny [76]

Answer:

Rigid Motion: Any way of moving all the points in the plane such that.

a) the relative distance between points stays the same and.

b) the relative position of the points stays the same.

Step-by-step explanation:

8 0
4 years ago
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