All categories

3 years ago

PLEASE HELP

Mathematics

2 answers:

Amiraneli [1.4K]3 years ago

7 0

Answer:

r=-3 FALSE

m<XYQ=7 TRUE

r=4 TRUE

Ray YQ bisects angle XYZ TRUE

Step-by-step explanation:

2r-1+3r-5=3r+2

5r-6=3r+2

2r=8

r=4

------------------------

r=-3 FALSE

m<XYQ=7 TRUE (XYQ=2r-1=2(4)-1=8-1=7)

r=4 TRUE

Ray YQ bisects angle XYZ TRUE (ZYQ=3r-5=3(4)-5=12-5=7. Both XYQ and ZYQ=7, so ray YQ is the bisector)

I don't know what the 10 is for in your question.

mamaluj [8]3 years ago

3 0

I had this question before I wish I could help you ‍♀️

You might be interested in

Find the measure of angle 2 if the measure of angle 8 is 40<br> degrees.

Vinvika [58]

Answer:

what is the shape?

Step-by-step explanation:

like is a square triangle or what ? show us a picture

8 0

3 years ago

One solution of x^2-25=0 is 5. What is the<br> other solution?<br> Enter the correct answer.

Serga [27]

Answer:

<h2>The other solution: x = -5</h2>

Step-by-step explanation:

$x^2-25=x^2-5^2\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=(x-5)(x+5)\\\\x^2-25=0\to(x-5)(x+5)=0\iff x-5=0\ \vee\ x+5=0\\\\x-5=0\qquad\text{add 5 to both sides}\\x=5\\\\x+5=0\qquad\text{subtract 5 from both sides}\\x=-5$

5 0

3 years ago

If comparing x^2 to x^3, which value of x gives the greatest difference:x=6,x=8,x=10?

VMariaS [17]

Answer:

the value of x that gives the greatest difference is 10.

Step-by-step explanation:

Given;

x² and x³

values of x = 6, 8 and 10

When x = 6

6³ - 6² = 216 - 36 = 180

When x = 8

8³ - 8² = 512 - 64 = 448

When x = 10

10³ - 10² = 1000 - 100 = 900

Therefore, the value of x that gives the greatest difference is 10.

5 0

3 years ago

For a particular cargo train, the amount of fuel needed for a trip varies directly with the number of miles it plans on travelin

Katyanochek1 [597]

2250 gallons. You have to think of the ratio. 300•750=225000
225000/100=2250
You have to do cross multiplication

4 0

3 years ago

Read 2 more answers

(3.2 * 10000000) -3

andreev551 [17]

The exponents distribute over factors:

$(ab)^c = a^c \times b^c$

so, you have

$(3.2 \times 10^6)^{-3} = 3.2^{-3} \times (10^6)^{-3}$

Let's focus on each factor: applying the definition of negative exponents, you have

$3.2^{-3} = \cfrac{1}{3.2^3} \approx 0.03$

While for the power of 10, you can use the following rule

$(a^b)^c = a^{bc}$ to write

$(10^6)^{-3} = 10^{6\cdot (-3)} = 10^{-18}$

So, the expression evaluates to

$0.03\times 10^{-18} = 3\times 10^{-20}$

3 0

4 years ago