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3 years ago

13

What is the sum of /-10/ and /6/

1 answer:

kap26 [50]3 years ago

7 0

Answer:

16

Step-by-step explanation:

-10 opposite is 10 which this \ or | means the its positive number. So 10 +6 is 16

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An ant crawls at a rate of 216 ft per minute.

AysviL [449]

First, we need to understand the speed formula:

The time used = distance ÷ rate

In this case, the time needed would be:

5 1/5 ÷ 2 1/6
= (5×5+1)/5 ÷ (2×6+1)/6
=26/5 ÷ 13/6

When there is division in an equaiton, we can swap the nominator and denominator of the fraction amd change it to multiplication:

=26/5 × 6/13
= (13 x 2)/5 x 6/(13 x 1)

Factorize 26 and 13,we get:

=2/5 x 6/1
= 12/5 ft or 2.4 ft

Therefore the answer is 12/5ft or 2.4ft.

Hope it helps!

8 0

3 years ago

I need help thanks !

oksano4ka [1.4K]

U say the answer is D 7$......

3 0

3 years ago

the ratio of seniors to juniors in the math club is 2:3. If there are 21 juniors, how many seniors are in the club?

Bond [772]

Answer:14

Step-by-step explanation:

1. Ratio : 2:3

2. Multiply the number of juniors by the Ratio

(2/3)(21)

3. Solve for answer

Answer: 14

8 0

3 years ago

Suppose f(x)=x^2. what is the graph of g(x)=1/3 f(x)

saw5 [17]

Step-by-step explanation:

f(x) = x^2

g(x)= 1/3 f(x) = 1/3 x^2

First lets make a table for f(x)= x^2

Lets pick some numbers for x and find out y

x y=x^2

-3 (-3)^2 = 9

-1 1

0 0

1 1

3 9

Now we use the same x values and make a table for g(x)

x $g(x)= \frac{1}{3} x^2$

-3 $g(x)= \frac{1}{3}(-3)^2=3$

-1 $g(x)= \frac{1}{3}(-1)^2=\frac{1}{3}$

0 0

1 $g(x)= \frac{1}{3}(1)^2=\frac{1}{3}$

3 $g(x)= \frac{1}{3}(3)^2=3$

Graph the above table

6 0

3 years ago

Find the area of △LKJ.

nirvana33 [79]

Answer:

$A=600\: u^{2}$

<u>The correct answer is letter c.</u>

Step-by-step explanation:

The area equation of a triangle is given by:

$A=\frac{bh}{2}$ (1)

Where:

b is the base

h is the height

Let's find first the angle MJK (α), using the tangent definition.

$tan(\alpha)=\frac{24}{32}$

$\alpha=tan^{-1}(\frac{24}{32})$

$\alpha=36.9^{\circ}$

Now, if α = 37° then β (angle JLK) must be:

$37^{\circ} + \beta + 90^{\circ}=180^{\circ}$

$\beta=53^{\circ}$

Now, we can find the distance ML using again the tangent definition:

$tan(\beta)=\frac{24}{ML}$

$ML=\frac{24}{tan(53)}$

$ML=18$

The base of the triangle LKJ will be:

$b=32+ML=32+18=50$

Therefore, using equation (1) the area of △LKJ will be:

$A=\frac{50*24}{2}$

$A=600\: u^{2}$

The correct answer is c.

I hope it helps you!

5 0

3 years ago