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3 years ago

Is this right? Question isn’t below!

Mathematics

2 answers:

Angelina_Jolie [31]3 years ago

8 0

Answer:

yes

Step-by-step explanation:

IM new plz add me brainless did the math

irinina [24]3 years ago

8 0

Answer:

Yeah, you're right. ( But please look at the explanation even though it's long. )

Step-by-step explanation:

First. You need to understand each option:

The first option shows that Jordan is taking $45 dollars and then adding $55 dollars to her bank account.

The second option shows that Harshika spent $45 on lunch and then used $20 more dollars.

The third option shows a plane that went up 600 feet then went down 200.

The fourth option shows that Jorge used $60 dollars to buy a sweater and then added $40 dollars.

Then. Understand the question.

The question is asking which option is telling you that the subject is taking money away or going down from an elevation.

Finally. Eliminate, and solve with sense.

Options 1 and 4 show taking away money and then adding money so both of those options are wrong.

Option 3 shows going up and then going down so that option is wrong.

Option 2 shows taking money only so it is the only correct answer.

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Evaluate <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%5E%7B-2%7Dx%5E%7B-3%7Dy%5E%7B5%7D%20%7D" id="TexFormula1" title="\

Irina18 [472]

Answer:

$\bf C)\: -\cfrac{1}{32}$

Step-by-step explanation:

$\tt \cfrac{1}{2^{-2}x^{-3}y^5}$

$\tt x=2\\y=-4$

Substitute ''x'' with '2' & 'y' with "-4":-

$\tt \cfrac{1}{2^{-2}\times \:2^{-3}\left(-4\right)^5}$

First let's solve $\tt 2^{-2}\times \:\:2^{-3}\left(-4\right)^5$

$\tt 2^{-2}\times \:2^{-3}=\boxed{\cfrac{1}{32} }$

$\tt \cfrac{1}{32}\left(-4\right)^5$

Calculate exponents:- -4^5= -1024

$\tt \cfrac{1}{32}\left(-1024\right)$

Remove parentheses, apply rule:- $\tt a\left(-b\right)=-ab$

$\tt-\frac{1}{32}\times \:1024$

$\tt \cfrac{1}{32}\times \cfrac{1024}{1}$

Apply fraction rule:-

$\tt -\cfrac{1\times \:1024}{32\times \:1}$

$\tt \cfrac{1024}{32}$

Divide numbers:-

$\tt -32$

Now that we're done factoring the denominator let's bring down the numerator which is ' 1 ':-

$\tt -\cfrac{1}{32}\;\; \bf Answer$

☆-------☆-------☆-------☆

3 0

2 years ago

Read 2 more answers

Please help me do the equation and figure out the right solution. I am supposed to be correcting the one in the picture.

alexira [117]

Answer:

The correct answer is if you want no roots in the denominator, the correct answer is $\frac{2x}{y}$ * $\sqrt[3]{2y^{2} }$

Step-by-step explanation:

The mistake is that you can't take a cube root of a square at step 3 when $y^{2}$ is taken out.

5 0

2 years ago

The area of a rectangle is 45 sq ft. its perimeter is 36 ft. Find the length and width.

mr_godi [17]

You have to divide 36 and 2

8 0

3 years ago

Read 2 more answers

Find the slope pls thx

Lisa [10]

The gradient formula is (y2-y1)/(x2-x1) aka rise/run, where by (x1,y1) and (x2,y2) are two points on the line.

In this case, the gradient
= -5-(-2))/(2-(-2))
= -3/4

7 0

3 years ago

Solve it by Substitution

natka813 [3]

30 in each bus. 17 in each van

To solve this problem, we first have to create a system of equations. After that, you set the equations equal to each other, and use that to simplify and find the value of one variable. Once that is found that answer can be plugged into one of the two original equations to find the other variable.

7 0

3 years ago