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4 years ago

Describe the transformation.

Mathematics

2 answers:

Aleks04 [339]4 years ago

8 0

Answer:

Reflection across the line y = x

Step-by-step explanation:

The transformation is a Reflection across the line y = x. If the graph was folded along the line y = x, the points of the two triangles would correspond to each other.

IRISSAK [1]4 years ago

5 0

C I guess I was learning this in class but I'm not sure.

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42 base x +53base x = 125base x. what<br>is the value of x

Finger [1]

Answer:

Step-by-step explanation:

The largest number is 5. Therefore x ≥ 6.

Convert numbers from x system to decimal system:

$42_x=4x+2\\\\53_x=5x+3\\\\125_x=1x^2+2x+5$

Solve the equation for x:

$42_x+53_x=125_x\Rightarrow4x+2+5x+3=x^2+2x+5\qquad\text{combine like terms}\\\\(4x+5x)+(2+3)=x^2+2x+5\\\\9x+5=x^2+2x+5\qquad\text{subtract 5 from both sides}\\\\9x=x^2+2x\qquad\text{subtract}\ 9x\ \text{from both sides}\\\\0=x^2-7x\\\\x^2-7x=0\qquad\text{distributive}\\\\x(x-7)=0\iff x=0\ \vee\ x-7=0\\\\x=0$

7 0

4 years ago

aliyah had $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost?

Ivenika [448]

12 (don't take my answer because it's been awhile since I've fine a question like that but I'm pretty sure it's 12)

8 0

3 years ago

Read 2 more answers

Every school day Dylan writes the school bus 4.79 mi round trip between home and school estimate the total distance Dylan wrote

Jet001 [13]

Answer:

$100.59\ \text{miles}$

Step-by-step explanation:

The distance traveled by Dylan every day is 4.79 miles

Let the number of days he went to school be $x$

Distance traveled by Dylan in a month is given by

$y=4.79x$

Total number of days Dylan went to school last month is 21

The distance traveled by Dylan last month was $y=4.79\times 21=100.59\ \text{miles}$

6 0

3 years ago

To visit her grandmother, Jessica takes a horse 3.31 kilometers and a motorcycle 1 kilometer. How many kilometers is Jessica’s j

umka21 [38]

The total distance she travelled 4.1 Km.

<h3>What is unitary method?</h3>

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given:

Jessica takes a horse 3.31 kilometers

Through a motorcycle she travel 1 kilometer.

So, the total distance travelled

=3.31 + 1

=4.31 Km

Hence, the total distance they travelled is 4.31 Km.

Learn more about unitary method here:

brainly.com/question/22056199

#SPJ2

8 0

1 year ago

Read 2 more answers

laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hours and a standard deviation o

Angelina_Jolie [31]

Answer:

0.13591

Step-by-step explanation:

What we do here is find a score of both values;

Mathematically;

z-score = (x - mean)/SD

for 825, we have (825-750)/75 = 1

For 900, we have (900-750)/75 = 150/75 = 2

So the probability we want to find is;

P(1<x<2) = P(x<2) - P(x<1)

We use the standard table for this and we arrive at;

P(1<x<2) = 0.13591

3 0

3 years ago