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wlad13 [49]
3 years ago
7

Evaluate this expression by distributing the multiplication over division: 5 x (7+4)

Mathematics
1 answer:
Maru [420]3 years ago
6 0

Answer:

I think you can write like this:

5 x (5+2+4)

OR

5 x 11

Step-by-step explanation:

My own knowladge

Hope it helps

Put a thanks

Thank you

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Describe the steps to graph the equation "f(x) = 14x + 1" on the coordinate axes. Mention the labels on the axes and the interva
Svetllana [295]
It's a linear function, so you only need 2 points and then connect them together.

Easiest way: x = 0 ->y = 1 ->(0,1)

x = 1->y = 15 ->(1,15)


7 0
3 years ago
If cos(t)= <img src="https://tex.z-dn.net/?f=-%5Cfrac%7B4%7D%7B9%7D" id="TexFormula1" title="-\frac{4}{9}" alt="-\frac{4}{9}" al
Anna35 [415]
<h3>Answer:</h3><h3>cos(-t) = -4/9</h3><h3>sec(-t) = -9/4</h3>

Explanation:

Since cosine is an even function, we can say cos(-t) = cos(t) for all values of t. So this explains why cos(-t) = cos(t) = -4/9. No change happens.

To find the secant value, we apply the reciprocal. This is because sec = 1/cos. So that's how -4/9 flips to -9/4.

8 0
3 years ago
Is (-3.4) a rational number? And why is (-3.4) a rational number?
KIM [24]

Answer:

Yes

Step-by-step explanation:

a rational number is a number that can be written as a fraction. Rational numbers are all real numbers, and can be positive or negative. A number that is not rational is called irrational. Most of the numbers that people use in everyday life are rational. These include fractions and integers.

- 3.4 is a integer and also a rational number.

4 0
3 years ago
Simplify the expression 5+6i/4+6i<br> A) 56-6i/-20<br> B) -16-6i/-20<br> C)56-6i/52<br> D) -16-6i/52
IRISSAK [1]

Answer:

The\ simplified\ form\ of\ the\ \frac{5 + 6i}{4 + 6i}\ is\ \frac{56-6i}{52}.

Option (C) is correct .

Step-by-step explanation:

As the expression given in the question as follows.

= \frac{5 + 6i}{4 + 6i}

Now rationalize the expression.

= \frac{5 + 6i\times 4 - 6i}{4 + 6i\times 4 - 6i}

Using the formula

a² - b² = (a - b) (a + b)

Using in the above

= \frac{5 + 6i\times 4 - 6i}{(4)^{2} - (6i)^{2}}

= \frac{5\times 4-5\times 6i+6i\times 4-36\ i^{2}}{16 - 36(i)^{2}}

As i² = -1

= \frac{20-30i+24i+36}{16 + 36}

= \frac{56-6i}{52}

Therefore\ the\ simplified\ form\ of\ the\ \frac{5 + 6i}{4 + 6i}\ is\ \frac{56-6i}{52}.

Option (C) is correct .

8 0
3 years ago
Read 2 more answers
For every batch of cookies Carla's made , her brother ate 2 cookies. If Carla's brother ate a total of 6 cookies, how many batch
spayn [35]

Step-by-step explanation:

number of the total cookies ÷ the nber her brother ate

6÷2=3

3 0
3 years ago
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