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jeka94
3 years ago
5

2.2+x+(-3.4);x=-2.5

Mathematics
2 answers:
puteri [66]3 years ago
5 0
2.2 - 2.5 - 3.4
-3.7
.................
Natali [406]3 years ago
3 0

The answer is -3.7. Plug in -2.5 into the expression. Then the expression is rewritten as 2.2 - 2.5 - 3.4.  Subtract -2.5 from 2.2 and you get -.3. Now, the expression is -.3 - 3.4. Subtract those from each other and you get -3.7.

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zubka84 [21]

Answer:

C. Silver bikes

Step-by-step explanation:

Given that:

Number of red bikes at the bike shop = 11

Number of blue bikes at the bike shop = 3

Number of orange bikes at the bike shop = 4

Number of silver bikes at the bike shop = 12

Let us find the ratio of each bike with orange bikes to find the answer.

Orange bikes: Red bikes = 4 : 11

i.e. for every 4 orange bikes, there are 11 red bikes.

Orange bikes: Blue bikes = 4 : 3

i.e. for every 4 orange bikes, there are 3 blue bikes.

Orange bikes: Silver bikes = 4 : 12 = 1 : 3

<em>i.e. for every 1 orange bike, there are 3 silver bikes.</em>

<em></em>

Therefore, the answer is:

<em>C Silver bikes</em>

5 0
3 years ago
Max drove 460 miles in 8 hours at a constant speed. How long would it take him to drive 661.25 miles at that speed
alexira [117]
Rate x time = distance

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At that speed (57.5mph) and the distance of 661.25miles we should divide

661.25 miles ÷ 57.5 mph = 11.5 hours

4 0
3 years ago
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if someone ran 2 miles on Monday, 5 miles on Wednesday, 6 miles on Thursday, 3 miles on Saturday. what percent of total miles di
kogti [31]

Answer:

12.5 %

Step-by-step explanation:

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2 (1/16) = 12.5 %

7 0
3 years ago
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Marina86 [1]
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3 years ago
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Over what interval is the quadratic function decreasing?
frosja888 [35]

The interval over which the given quadratic equation decreases is:  x ∈ (5, ∞).

<h3>How to find the interval of quadratic functions?</h3>

Usually a quadratic graph function decreases either when moving from left to right or moving downwards.

In the given graph, we can see that the coordinate of the vertex is (5, 4) after which the curve goes in the downward direction.

Thus, for the values of x greater than 5, the function decreases and so we conclude that the interval in which the quadratic equation decreases is: (5, ∞).

Read more about Quadratic functions at: brainly.com/question/18030755

#SPJ1

6 0
2 years ago
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