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jeka94
3 years ago
12

5. Find the product. 10 • –5 • –4 • 3 = ? (1 point) –600 –500 500 600

Mathematics
2 answers:
vladimir2022 [97]3 years ago
8 0

Answer:

600

Step-by-step explanation:

10*-5=-50*-4=200*3=600

The answer is 600.

Hatshy [7]3 years ago
4 0

Answer:

Step-by-step explanation:

10 • –5 • –4 • 3

=10 • –1 • 5 • –1 • 4 • 3

=10 • 5 • 4 • 3

=600

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Margo spends a quarter of her paycheck on a new dress, one-eighthof her paycheck on shoes, and $24 on a birthday present. if she
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So if her pay check is x she spends 0.25x on the dress and 0.125x on shoes. That’s 0.375 when added together.
So 0.375x + 24=60
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4 0
1 year ago
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Explain how finding 4 times 384 can help you find 4 times 5384.then find both products
forsale [732]

Answer:

Given the following: 4 times 384 can help you find 4 times 5384.

4 \times 384 = 1536                

Now, find 4 \times 5384

Using Distributive property: a\cdot (b+c) = a\cdot b + a\cdot c

We can write 4 \times 5384 as

4 \times (5000+384)

Apply distributive property we have;

4 \times 5000 + 4\times 384

Now, find both products;

we know:  4 \times 384 = 1536            

20000 + 1536 = 21,536


8 0
3 years ago
Which statement is not used to prove that triangle ABC is similar to triangle ADC?
yarga [219]

Answer:

what are the statements we pick from?

Step-by-step explanation:

most likely look out for angles and lengths that go against the established ratio

6 0
2 years ago
Lkm is equilateral. Solve for x if angle k=9x+24
Marta_Voda [28]

Answer:

x = 4

Step-by-step explanation:

Given that the triangle is equilateral then the measure of each angle is 60°

Equate 9x + 24 to 60 and solve for x

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7 0
3 years ago
F is a twice differentiable function that is defined for all reals. The value of f "(x) is given for several values of x in the
nadezda [96]

The correct answer is actually the last one.

The second derivative f''(x) gives us information about the concavity of a function: if f''(x) then the function is concave downwards in that point, whereas if f''(x)>0 then the function is concave upwards in that point.

This already shows why the first option is wrong - if the function was concave downwards for all x, then the second derivate would have been negative for all x, which isn't the case, because we have, for example, f''(8)=5

Also, the second derivative gives no information about specific points of the function. Suppose, in fact, that f(x) passes through the origin, so f(0)=0. Now translate the function upwards, for example. we have that f(x)+k doesn't pass through the origin, but the second derivative is always f''(x). So, the second option is wrong as well.

Now, about the last two. The answer you chose would be correct if the exercise was about the first derivative f'(x). In fact, the first derivative gives information about the increasing or decreasing behaviour of the function - positive and negative derivative, respectively. So, if the first derivative is negative before a certain point and positive after that point. It means that the function is decreasing before that point, and increasing after. So, that point is a relative minimum.

But in this exercise we're dealing with second derivative, so we don't have information about the increasing/decreasing behaviour. Instead, we know that the second derivative is negative before zero - which means that the function is concave downwards before zero - and positive after zero - which means that the function is concave upwards after zero.

A point where the function changes its concavity is called a point of inflection, which is the correct answer.

7 0
3 years ago
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