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ANEK [815]
1 year ago
9

Issaiah Jones Unit Rate, Reasoning Down Dec 06, 7:36:45 PM Watch help video HII Julian earned $437.00 at his job when he worked

for 19 hour he earn each hour
Mathematics
1 answer:
olga2289 [7]1 year ago
4 0

EXPLANATION

Let's see the facts:

Julian Earns--> $437.00

Worked--> 19 hours

Unit rate=

Unit_{}-rate=\frac{437\text{ dollars}}{19\text{ hours}}=23\text{ \$/h}

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Rick was given a 15% tip waiting on a table of customers who ordered $60.00 in food and drinks. How much did Rick earn in tips f
Nata [24]

Answer:

$9

Step-by-step explanation:

15% of 60 is 9

thus, he earned $9

8 0
2 years ago
Find the equation of a line parallel to −5x+y=2 that contains the point (5,−2). Write the equation in slope-intercept form.
mario62 [17]

Answer:

L2: y-0 = 5/2(x-5)

y = 5/2x-25/2

Step-by-step explanation:

Parallel lines have same slopes.

Line 1,   L1:  5x-2y=20   is in standard form Ax+By=C therefore slope m1= -A/B = -5/-2 = 5/2 or you can solve it for y so you will have the equation in slope-intercept form.

5x-2y = 20

-2y = -5x+20

y = (-5/-2)x+20/(-2)

y = (5/2)x-10 hence m1=5/2 and y-intercept is -10

Line 2 , L2:   y-y1 = m (x-x1),  m=m2=m1=5/2

Point p(5,0) or p(x1,y1) therefore x1=5 , y1=0 and m=5/2

L2: y-0 = 5/2(x-5)

y = 5/2x-25/2

5 0
2 years ago
If for two non-zero vectors a,b : ∣a+b∣=∣a−b∣ then angle between them is:______a. 0b. 45c. 60d. 90
Eddi Din [679]

Answer:

90^\circ

Step-by-step explanation:

Given two non zero vectors, \vec a, \vec b.

Let the angle between the two vectors = \theta

Given that:

|\vec a+\vec b|=|\vec a-\vec b|

Let us have a look at the formula for magnitude of addition of two vectors:

|\vec x+\vec y|=\sqrt{x^2+y^2+2xycos\theta}

Where \theta is the angle between the two vectors.

formula for magnitude of subtraction of two vectors:

|\vec x-\vec y|=\sqrt{x^2+y^2-2xycos\theta}

As per the given condition:

\sqrt{a^2+b^2+2abcos\theta}=\sqrt{a^2+b^2-2abcos\theta}

Squaring both sides:

a^2+b^2+2abcos\theta=a^2+b^2-2abcos\theta\\\Rightarrow 2abcos\theta=-2abcos\theta\\\Rightarrow cos\theta = -cos\theta\\\Rightarrow 2cos\theta = 0\\\Rightarrow cos\theta = 0\\\Rightarrow \theta = 90^\circ

So, the angle between the two vectors is: 90^\circ

7 0
2 years ago
What is the slope of a parallel line m
gizmo_the_mogwai [7]

Answer:

2/3

Step-by-step explanation:

written in the standard form of Ax + By = C, so its slope is equal to –A/B, or –2/–3, which equals 2/3.

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

8 0
3 years ago
The area of a triangle can be represented by the equation h(2h-7)=4 where h is the height of the triangle find the height of the
Ket [755]
H=4. Solving the equation gives you two answers, 4 and -0.5 and since you can't logically have negative height, 4 is the only legitimate answer that is realistic.
6 0
3 years ago
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