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AlekseyPX
3 years ago
12

Juan ran of a mile 2/5 every 4/7 of an hour. Find Juan’s rate in miles per hour

Mathematics
1 answer:
AfilCa [17]3 years ago
8 0

Answer:

Juan runs 7/10 of a mile every hour

Step-by-step explanation:

First find out how much he ran every 1/7 of an hour

2/5 x 1/4 = 4/7 x 1/4

1/10 = 1/7

1/10 x 7 = 1/7 x 7

7/10 = 1

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Prove: Quadrilateral ABCD is a parallelogram.
Brilliant_brown [7]

Answer:

Step 3.

m∠ AEB = m∠ CED .........By  Vertical Angles Theorem.

Step-by-step explanation:

Vertical Angles Theorem:

Vertical angle theorem states that vertical angles, angles that are opposite each other and formed by two intersecting lines,are congruent.

If two lines intersect each other we have two pair of vertical opposite angles. As shown in the figure.

Here,

∠ 1 and ∠ 2 are vertical opposite angles and also they are equal.

∠ 3 and ∠ 4 are also vertical opposite angles and also they are equal.

For,

step 3. m∠ AEB = m∠ CED

Therefore, the reason for step 3 of this proof is Vertical Angles Theorem.

6 0
4 years ago
Heights​ (cm) and weights​ (kg) are measured for 100 randomly selected adult​ males, and range from heights of 138 to 190 cm and
mart [117]

Answer:

Best predicted value of y' = 86.16 kg

Step-by-step explanation:

Given,

n = 100

Range of heights = 138 - 190cm

Range of weight = 39 to 150 kg

x' =167.46 cm

y' = 81.44 kg

r = 0.108

p value = 0.285

y = - 105 + 1.08x

Significance level = 0.05

We reject H0 since pvalue, 0.285 is less than significance level of 0.05.

Therefore,

Given height of adult male, x = 177 cm

y = - 105 + 1.08x

The best predicted value of y' =

y' = - 105 + 1.08(177)

y' = 86.16 kg

The best predicted value of y' is 86.16kg

6 0
4 years ago
Does this look correct?
Neko [114]
That is not correct.  I will help you.  Begin by subtracting the 9x from both sides, like this:  9x - 9x + 2y = 6 - 9x.  That simplifies to 2y = -9x + 6.  Now divide both sides by 2 to get y all alone, like this:  \frac{2y}{2}=- \frac{9}{2}x+ \frac{6}{2}.  That reduces down to y=- \frac{9}{2}x+3.  That is slope-intercept form.  y = mx + b.
7 0
3 years ago
If 5xpower 7- 6x power 7+ 7x - 6 is a polynomial then find
Olin [163]

Answer:

Answer

Given polynomial- 5x

7

−6x

5

+7x−6

Here,

(a) Coefficient of x

5

=−6

Coefficient of x

2

=0

(b) Degree of polynomial = highest degree of monomial with non-zero coefficient =7

(c) Constant term = Coefficient of x

0

=−6

(d) Number of terms =4

<h2>plz mark me as brainliest</h2>

5 0
3 years ago
Sub to bionic pleasssssse
BlackZzzverrR [31]
Alright I got you I’ll sub
4 0
3 years ago
Read 2 more answers
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