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3 years ago

Which represents a possible solution set for the inequality 3/10<10

Mathematics

1 answer:

alex41 [277]3 years ago

4 0

Answer:

3/10<10

Step-by-step explanation:

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Solve the equation. Round to the nearest hundredth. Show work.

Burka [1]

Answer:

$x=-0.75$

Step-by-step explanation:

The given equation is

$4^{-5x-7}=6^{2x-1}$

We take logarithm of both sides to base 10.

$\log(4^{-5x-7})=\log(6^{2x-1})$

$(-5x-7)\log(4)=(2x-1)\log(6)$

We expand the brackets to get;

$-5x\log(4)-7\log(4)=2x\log(6)-\log(6)$

Group similar terms;

$-7\log(4)+\log(6)=2x\log(6)+5x\log(4)$

$-7\log(4)+\log(6)=(2\log(6)+5\log(4))x$

$\frac{-7\log(4)+\log(6)}{(2\log(6)+5\log(4))}=x$

$x=-0.752478$

To the nearest hundredth.

$x=-0.75$

3 0

3 years ago

Please answer quick!

marysya [2.9K]

Answer:

The correct option is B

(-1)(1/2)(-1)(1)

Step-by-step explanation:

First thing to notice is that there is are two brackets with negative values, which means that the result must also be positive (or have two brackets with negative values).

Looking at the options, we can screen out options A and D, they have three brackets with negative values, and can't be chosen.

It is now between options B and C.

Option B, by inspection is simply 1/2

Option C is 12/4 = 3

The problem itself is 12/35

12/24 = 1/2

12/36 = 1/3

Since 12/35 is about 1/3, it is closer to 1/2 than 3, so 1/2 is the best option.

6 0

3 years ago

If a girl cuts the grass in 3 hours and a boy cuts it in 2 hours what would be the time if they cut it toghther.?

svet-max [94.6K]

Answer:

Step-by-step explanation:

the answer is d because if you do 3+2 it equals 5 so therefore it is b

4 0

4 years ago

Read 2 more answers

Which variable expression represents the phrase “the product of a number and 6”?

taurus [48]

C: 6n
Product means multiplication

5 0

4 years ago

Read 2 more answers

What is the answer? Please help. Urgent.

MArishka [77]

Given:

A figure that contains a right triangular prism and cuboid.

To find:

The volume of the figure.

Solution:

The dimensions of cuboid are 16 in, 7 in and 3 in.

So, the volume of the cuboid is:

$V_1=Length\times Width \times height$

$V_1=16\times 7 \times 3$

$V_1=336$

The base of the prism is a right angle with base 3 in and height 5 in, and the length of the prism is 6 in. So, the base are of the prism is

$B=\dfrac{1}{2}\times Base\times Height$

$B=\dfrac{1}{2}\times 3\times 5$

$B=7.5$

The volume of a prism is:

$V_2=Bh$

Where, B is the base area and h is the height of the prism.

$V_2=(7.5)(6)$

$V_2=45$

The volume of combined figure is:

$V=V_1+V_2$

$V=336+45$

$V=381$

Therefore, the volume of the figure is 381 cubic in.

7 0

3 years ago