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yan [13]
3 years ago
6

I need help on this math problem5 pts

Mathematics
1 answer:
ale4655 [162]3 years ago
5 0
<em>These triangles are congruent, it means all sides are equal.</em>

<em>We equate the sides that are equal and we get this two equations:</em>

x = y + 1 -------------- (1)
x + 3 = 3y -------------(2)

Sub (1) into (2)
(y + 1) + 3 = 3y
y + 1 + 3 = 3y
3y - y = 3 + 1 
2y = 4
y = 2 -------------- sub back into (1)

x = y + 1
x = 2 + 1
x = 3


Ans: x = 3, y = 2

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Help I don’t know the answer to this question
vodka [1.7K]
So the x intercept is where y is 0 and x is on the x axis
y intercept, same thing, where x is equal to 0 and it's on the y axis
like the x-intercept would be: (-7,0)
y-intercept: (0,2)
4 0
3 years ago
Suzette ran and biked for a total of 34 mi in 3.5 h. Her average running speed was 6 mph and her average biking speed was 12.5 m
olga nikolaevna [1]

Answer:

From the information given

x is time for which she ran at speed of 6mi/h and

y is time for which she biked at speed of 12.5 mi/h

total time = 3.5 h

total distance = 34 mi

so

6x + 12.5y = 34 and

x + y = 3.5

x = 3.5 - y

6 ( 3.5 - y) + y = 34

6.5y = 13 which gives

y = 2 and this

x = 1.5

so suze ran for 1.5 h and biked for 2 h

CHECK

speed of run X time of run + speed of biking x time of biking must be = total distance covered

6 × 1.5 + 12.5 × 2 = 9 + 25= 34 mi

which is true

8 0
3 years ago
When 6 is added to 3/4 of a number, the result is 4 less than the number
anastassius [24]

<em>Greetings from Brasil...</em>

According to the statement of the question, we can write the following equation:

<h2>3X/4 + 6 = X - 4</h2>

solving this equation

3X/4 + 6 = X - 4

3X/4 - X = - 4 - 6

4X - 3X = 40

<h2>X = 40</h2>

<em>refer to attached</em>

6 0
4 years ago
Please Hurry!!<br><br> Find the measure of WOV. Which angle relationship did you use?
jasenka [17]

Answer:

<h3><u>angle wov=90-30</u></h3><h3><u>angle wov=90-30=60</u></h3>

( by 90 degree given in figure

sum of wox+wov=vox

7 0
2 years ago
A survey of us adults found that 11% think that congress is a good reflection of american views. you rnadomly select 35 us adult
irina [24]

Answer:

C) Less than 5

Step-by-step explanation:

First you find 11% of 35

35 x .11 = 3.85

3.85<5

Therefor- it's less than five. No idea if that was the question but uh- that's what I understood from it. TwT

8 0
3 years ago
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