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2 years ago

-0.85 - (-¼) + 0.4 + (-⅖) ? what is the value of the expression?

Mathematics

1 answer:

drek231 [11]2 years ago

6 0

Answer: =−3/5

Step-by-step explanation: Hope this help :D

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Find the percent of decrease from 270 to 200. Round to the nearest 10th of a percent if necessary.

choli [55]

270-200 = 70

70/200 = 0.35 = 3.5%

3 0

3 years ago

What is the value of a in the equation 5a -10b = 45 when b = 3

leva [86]

Salutations!

$5a-10b = 45$

value of $b = 3$

Multiply 10 and 3

$10*3=30$

Now, you can solve the equation --

$5a-30=45$

separate the variables aside, and the numbers aside.

$5a=45 +30$

$5a=75$

$a=75/5$

$a=15$

Hope I helped (:

Have a great day!

6 0

2 years ago

Find the net change in the value of the function between the given inputs. h(t) = t2 + 2; from −5 to 8

pashok25 [27]

Answer:

Step-by-step explanation:

Given the function :

h(t) = t² + 2

From t = 5 to t = 8

when, t = 5

h(5) = 5² + 2

h(5) = 25 + 2

h(t) at t = 5 ; equals 27

when, t = 8

h(5) = 8² + 2

h(5) = 64 + 2

h(t) at t = 8 ; equals 66

Net Change :

h(8). - h(5)

66 - 27 = 39

3 0

2 years ago

Find the number that makes the ratio equivalent to 2:6.<br><br> 8:

Citrus2011 [14]

A ratio is used to describe how two or more quantities are related. For example, we might say that a fruit drink calls for sugar crystals to be mixed with water in a ratio of 2:6. This means that for every 2 scoops sugar crystals, there will need to be 6 ounces of water. If there were 200 scoops of sugar crystals, there would need to be 600 ounces of water.

4 0

3 years ago

Please answer correctly !!!!!! Will mark brainliest !!!!!!!!!!!

Iteru [2.4K]

Answer:

1 A

2 A

Step-by-step explanation:

1. steps can be positive whole numbers only

2. there is 15 steps

7 0

2 years ago