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fenix001 [56]
3 years ago
14

What does h equal if 6h+7=-8-h? Pleas explain and show steps thx(:

Mathematics
2 answers:
Alexeev081 [22]3 years ago
8 0
Bring everything to one side

7h+15=0

h = -15/7
fiasKO [112]3 years ago
4 0
6h+7=-8-h\ \ \ \ /-7\\\\6h+7-7=-8-7-h\\\\6h=-15-h\ \ \ \ /+h\\\\6h+h=-15-h+h\\\\7h=-15\ \ \ \ /:7\\\\h=-\frac{15}{7}\\\\h=-2\frac{1}{7}
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Consider the following relation.
Jet001 [13]

Answer:

(0,-1),(1,0),(2,1),(3,2)

Step-by-step explanation:

We are given that a relation

y=x+1y=x+1

We have to find the four points contained in the inverse

The given function is linear function

Therefore,

Domain of function=R

Range of function=R

x=y-1x=y−1

Now, replace x by y and y replace by x

y=x-1y=x−1

Now, substitute y=f^{-1}(x)=f

−1

(x)

f^{-1}(x)=x-1f

−1

(x)=x−1

It is linear function and defined for all real values.

Substitute x=0

f^{-1}(0)=-1f

−1

(0)=−1

Substitute x=1

f^{-1}(1)=1-1=0f

−1

(1)=1−1=0

f^{-1}(2)=2-1=1f

−1

(2)=2−1=1

f^{-1}(3)=3-1=2f

−1

(3)=3−1=2

Therefore, four points contained in the inverse (0,-1),(1,0),(2,1) and (3,2)

6 0
3 years ago
Shaun needs to make mortar for brick-laying. It is made in the ratio 7:3 of sand to cement.
Tju [1.3M]
Sand to cement
7:3

210:x

ask yourself what number is needed to multiply by 7 to get 210 ( so you'd divide 210 by 7 which is 30). Multiply the other side by thirty as well to get the value of x

3*30 which is 90

7 0
3 years ago
Stacy, Oliver, and Jivesh each plan to put a certain amount of money into their savings accounts that earn simple interest of 6%
Free_Kalibri [48]
Jivesh put $50
Stacy put $600
<span>Oliver put $100</span>
5 0
3 years ago
Read 2 more answers
Help me, please I need this
Alex17521 [72]

Answer:

B) y = -3x - 5

Hope this helps!

Please be kind to mark Brainliest.☺

7 0
3 years ago
The price of a toy usually costs £50 is increased to £65 work out the percentage increase
I am Lyosha [343]

Answer:

Step-by-step explanation:

10% of 50 = 5

5% of 50 = 2.5

to get to 65 u do 5+5 = 10 so so far that is 20% but 20% only gets u to 60 so u add another 10% to reach 65

u have used 30% so the answer to yr question is 30%

<h2><em>does this help comment if / if not </em></h2>
8 0
2 years ago
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