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liq [111]
4 years ago
9

1.5r - 3r + 8r + 2.5r solve by combining like terms

Mathematics
1 answer:
padilas [110]4 years ago
3 0

Answer:

9r

Step-by-step explanation:

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dolphi86 [110]
For number 3 the problem solving it can be What is the difference between the T REX and the triceratops

The last one u could put Add up all the dinos and what will u get.


6 0
3 years ago
Read 2 more answers
How do you find rate of change? O change in y/change in x. change in x/change in y​
JulijaS [17]

Rate of change is used to mathematically describe the percentage change in value over a defined period of time. (I looked that up)

So the rate of change is the slope and slope is the ratio of change between any 2 points on a line.

Slope measures the steepness of a line.

Slope is the ratio of the vertical change, called the rise, to the horizontal change called the run between any 2 points on the line.

Slope is written as a fraction in simplest form. 5/10=1/2

Variable for slope: M.

Reply for any more questions, also sorry for a slow response. I thought a lot.  

6 0
3 years ago
Find the area of the figure. 
ryzh [129]

The area of a rhombus is given by the half the product of its two diagonals.


We can see that AC is composed by two parts measuring 14m, so AC = 28m.


Similarly, BD is composed by two parts long 19m each, so BD = 38m.


Half their product is thus


A = \frac{\overline{AC}\cdot \overline{BD}}{2} = \frac{28\cdot 38}{2} = 14\cdot 38 = 532

3 0
4 years ago
There are 90 flowers in the bunch. 60% of the flowers are yellow. How many flowers are yellow?
kondaur [170]

Answer: 54 flowers

Step-by-step explanation:

0.6 is 60% as a decimal

90 * 0.6 = 54

Thus, since 60% of 90 is 54 and 60% of the flowers are yellow, 54 flowers are yellow.

7 0
3 years ago
What is the probability of drawing a red marble?<br> 2/5<br> 45%<br> 1/3<br> 9/11
LekaFEV [45]

Answer:

45%

Step-by-step explanation:

Counting the marbles, there are 5 green, 6 blue and 9 red.

Which means the odds of drawing a red to a non red are 11:9

In fraction form that would be 9 marbles out of 20 are red. 9/20

Since the fraction cannot be simplified, we can go to decimal form.

9/20=.45

.45=45%

The answer is 45%.

6 0
3 years ago
Read 2 more answers
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