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4 years ago

Write 4–6 sentences explaining why it is important to have precise definitions in mathematics.

1 answer:

4 0

Mathematics can be tricky so precise definitions are important. Without them there can be confusion which more often then not will generate a wrong answer. With clear precise definitions it is easier to understand the topic. Therefore, it is easier to get the correct answer.

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What is the solution to -1.6 > b - (-4.4)

Inessa05 [86]

$\\ \sf\longmapsto -1.6>b-(-4.4)$

$\\ \sf\longmapsto -1.6>b+4.4$

$\\ \sf\longmapsto b$

Option B is correct

5 0

3 years ago

What 2 numbers add up to 3 and multiply to -18?

prohojiy [21]

6 x (-3) = -18
6 + (-3) = 3
The numbers are 6 and -3

4 0

3 years ago

Triangle DEF (not shown) is similar to ABC shown, with angle B congruent to angle E and angle C congruent to angle F. The length

Bezzdna [24]

Answer:

Area of ΔDEF is $45\ cm^2$ .

Step-by-step explanation:

Given;

ΔABC and ΔDEF is similar and ∠B ≅ ∠E.

Length of AB = $2\ cm$ and

Length of DE = $6\ cm$

Area of ΔABC = $5\ cm^2$

Solution,

Since, ΔABC and ΔDEF is similar and ∠B ≅ ∠E.

Therefore,

$\frac{Area\ of\ triangle\ 1}{Area\ of\ triangle\ 2} =\frac{AB^2}{DE^2}$

Where triangle 1 and triangle 2 is ΔABC and ΔDEF respectively.

If two triangles are similar, then the ratio of the area of both triangles is proportional to the square of the ratio of their corresponding sides.

$\frac{5}{Area\ of\ triangle\ 2} =\frac{2^2}{6^2}\\ \frac{5}{Area\ of\ triangle\ 2}=\frac{4}{36}\\ Area\ of\ triangle\ 2=\frac{5\times36}{4} =5\times9=45\ cm^2$

Thus the area of ΔDEF is $45\ cm^2$ .

4 0

3 years ago

Read 2 more answers

In your own words, summarize how the Jacksonian Era was characterized?

Neporo4naja [7]

The Jacksonian Era was characterized by the idea that every citizen was equally important and that all should participate actively in government. The old friends whom Jackson consulted instead of his regular cabinet were called the "kitchen cabinet."

5 0

4 years ago

Read 2 more answers

Can someone help me with number 4 please

Monica [59]

Answer:

Step-by-step explanation:

Y = kx is the direct variation equation. First find k, the could variation. 16 = k * 20. Divide both sides by 20. 16/20 = k 4/5 = k. The direct variation is "y=kx" . As "x" increases the value of "y" increases.

7 0

2 years ago