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AnnZ [28]
3 years ago
11

Through (2,6) and perpendicular to y=-5/4x+1

Mathematics
2 answers:
Ne4ueva [31]3 years ago
6 0
Y = -5/4x + 1.....the slope here is -5/4. A perpendicular line will have a negative reciprocal slope. All that means is " flip " the slope and change the sign, resulting in 4/5 (u see how I flipped -5/4 and turned it into 4/5...I then changed the sign and made it 4/5)

y = mx + b
slope(m) = 4/5 ....we are using the negative reciprocal here
(2,6)...x = 2 and y = 6
now we sub and find b, the y int
6 = 4/5(2) + b
6 = 8/5 + b
6 - 8/5 = b
30/5 - 8/5 = b
22/5 = b

so ur perpendicular equation is : y = 4/5x + 22/5
Diano4ka-milaya [45]3 years ago
4 0
1.26
 in A decimal
hope it helps
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jek_recluse [69]
The answer is B because r is negative and less than the critical value.
7 0
3 years ago
Simplify the radical
mamaluj [8]

Answer:

9d^3

Step-by-step explanation:

~~~\sqrt{81 d^6}\\\\=\left(81 d^6 \right)^{\tfrac 12}\\\\=\left(81\right)^{\tfrac 12} \cdot \left(d^6 \right)^{\tfrac 12}\\\\=\left(9^2 \right)^{\tfrac 12} \cdot d^{\tfrac 62}\\\\=9d^3

4 0
2 years ago
Help please will be marked as brainliest if correct and first person to respond
nydimaria [60]

Answer: Unlock code = 76

==========================================================

Explanation:

Use a factor tree to find the prime factorization of each value

22 = 2*11

30 = 2*3*5

Both values have '2' in common and this is the largest such value. Therefore, the GCF of 22 and 30 is 2.

So E = 2

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

Since 3 and 8 have no factors in common (other than 1), this means the LCM is 3*8 = 24

We can say that F = 24.

If the numbers had some larger number in common, then we'd have to do a bit more work to find the LCM.

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

As the hint suggests, we'll use the distributive property to show that

3*(7+10) = G + 30

3*7 + 3*10 = G + 30

21 + 30 = G + 30

21 = G .... subtract 30 from both sides; they cancel and go away

G = 21

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

Use the same idea for the other equation as well

5*(3 + H) = 15 + 45

5*3 + 5*H = 15 + 45

15 + 5H = 45

5H = 45 ............ subtract 15 from both sides; they go away

H = 45/5 ......... divide both sides by 5

H = 9

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

The unlock code is

E+F+G+H = 2+24+21+29 = 76

4 0
3 years ago
Read 2 more answers
Zahra has paper rectangles of different sizes. Every rectangle is 5 centimeters longer than it is wide. Is there a proportional
Alika [10]

Answer: The answer is NO. Explained below.


Step-by-step explanation:  Given that Zahra has a number of rectangles of different sizes which are made of paper. Also, the length of every rectangle is 5 cm more than its breadth.

We are to find whether the relationship between lengths and breadths of rectangles is proportional or not.

Let,  'l' represents the length and 'b' represents the breadth of any of these rectangles, then according to the given information, we can write

l = b + 5.

For a proportional relationship, we need a relation of the form

l = k × b, which is not always possible in the given case.

For example, if l = 8, b = 3, and l=9, b=4 then we cannot write

l = k × b, for a constant k.

Hence there is no proportional relationship  between the lengths and widths of these rectangles.

Thus, the answer is NO. Hence explained.


5 0
3 years ago
Read 2 more answers
how do i answer this The school play includes 60 students. 3/5 of the students are actors. The rest of the students work behind
artcher [175]
1/5 equals 12 so 12 times 5 is 60 so
a=36
b=24
 Your welcome
8 0
3 years ago
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