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3 years ago

How to solve this question y=-1/x

Mathematics

1 answer:

Black_prince [1.1K]3 years ago

6 0

Answer: it’s already solved y equals -x

Step-by-step explanation:

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Henry bought 3 sets of pencils. After he bought the pencils, his account balance showed a change of –$30.63. What would have bee

Alex

30.63 for 3 sets of pencils......that means each set cost (30.63 / 3) =
10.21....so the change in his account for 1 set of pencils is -$ 10.21 <=

5 0

3 years ago

Read 2 more answers

Serial numbers for a product are to be made using 4 letters followed by 4 digits. the letters are to be taken from the first 9 l

grin007 [14]

Answer:

15,240,960 serial numbers

Step-by-step explanation:

Since no repeats are allowed and the order matters, the number of possible serial numbers is given by the product of the permutation of 4 out of 9 letters by the permutation of 4 out of 10 numbers:

$n=\frac{9!}{(9-4)!}*\frac{10!}{(10-4)!} \\n=9*8*7*6*10*9*8*7\\n=15,240,960$

There are 15,240,960 ways to generate a serial number.

4 0

4 years ago

Find the product of 42.43

ser-zykov [4K]

Answer: The product of 42 times 43 is 1,806

Step-by-step explanation:

42 and 43 are both factors, and factor x factor = product

42(factor) x 43(factor) = 1,806(product)

To check work, divide the product by one of the factors, and the result should be the other factor.

1,806(product) divided by 42(factor#1) = 43(factor#2)

-or-

1,806(product) divided by 43(factor#2) = 42(factor#1)

8 0

3 years ago

Uma makes a scale drawing of a patio. The drawing below shows the two scales she used to plan two patios of different sizes.

Vinil7 [7]

Answer:

Scale 1: 45 m; Scale 2: 60 m

Explanation:

All you do is multiply 15 centimetres by each metre value on each scale to get the above scale.

* Now, you NEVER included expressions, but I did my very best to predict the above imagery.

I am joyous to assist you anytime.

4 0

3 years ago

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How many triangles are there that satisfy the conditions a =13, b =9, A = 62°?

8_murik_8 [283]

Answer:

Step-by-step explanation:

Alright, lets get started.

Using sin Law,

$\frac{sinA}{a}=\frac{sinB}{b}$

Plugging the value of a, b and angle A

$\frac{sin62}{13}=\frac{sinB}{9}$

$sinB=\frac{9*sin62}{13}$

$sinB=\frac{9*0.8829}{13}$

$sinB=0.61127$

taking sin inverse on both sides

$B=sin^{-1}(0.61127) =37.68$

The may be another value of B that will called B' = $180-37.68=142.32$

We will not consider this B' value because the um of angle B' and A will exceeds 180 degree ( $142.32+62=204.32$ )

Thats why only one triangle is possible. : Answer

Hope it will help :)

5 0

3 years ago

How to solve this question y=-1/x​

How to solve this question y=-1/x