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Nataly_w [17]
3 years ago
10

Solve for X please: -ax+4b>9

Mathematics
2 answers:
Orlov [11]3 years ago
7 0
Lets solve for X
(-a)(x)+4b>9
---------------------------------------------------------
Step one: Add -4b to both sides
---------------------------------------------------------
-ax+4b+-4b>9+-4b
-ax>-4b+9
--------------------------------------------------------
Step 2: divide both d=sides by -a
--------------------------------------------------------
-ax/-a > -4b+9/-a
-------------------------------------------------------
ANSWER: x < 4b-9/a
------------------------------------------------------
Ulleksa [173]3 years ago
4 0
So what you do is subtract 4b on both sides so it will be -ax=9+4b then divide x on both sides and you have your answer 

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At a baseball game, Carlton buys 2 hotdogs and 1 box of popcorn for $6.75. Manny buys 1 hotdog and 1 box of popcorn for $4.25. h
Ne4ueva [31]

Answer:

1 Hot dog = $2.50; 1 Nacho = $3.00

Step-by-step explanation:

Let  x  be the cost of 1 hotdog

let  y  be the cost of 1 nacho

6 x + 3 y = 24  (Equation 1)

8 x + 1 y = 23  (Equation 2)

Divide equation 1 by 3

2 x + y = 8   (Equation 3)

Subtract Equation 3 from Equation 2

8 x − 2 x +y − y = 23 − 8

Simplifying

6 x = 15

1 Hot dog = $2.50

Substitute the value calculated above into Equation 1

15 + 3 y = 24

3 y = 9

1 Nacho = $3.00

6 0
2 years ago
Which expression below gives the average rate of change of the function h(x)=4^(x+2)+7 on the interval –3 ≤ x ≤ 5?
viktelen [127]

Answer:

\frac{4^8-1}{32}

Step-by-step explanation:

h(x)=4^{(x+2)} +7

We know that formula for average rate of change of a function from a to b is

\frac{f(b)-f(a)}{b-a}

Here f equals h and a =-3 b=5

h(a) = 4^{5+2} +7 = 4^7+7

and

h(b) = 4^{-3+2} +7 = \frac{1}{4} +7

h(b)-h(a) =4^7-\frac{1}{4} =\frac{4^8-1}{4}

b-a = 5-(-3) =8

Hence average rate of change is

\frac{4^8-1}{4}(\frac{1}{8} )=\frac{4^8-1}{32}

7 0
3 years ago
Read 2 more answers
200 ounces = __________ lbs __________ oz<br> Brainliest is guarrenteed
goldfiish [28.3K]

Answer:

lbs= 12.5 oz=3200

Step-by-step explanation:

5 0
3 years ago
Ja'kniya and Alayjah are shopping at the Apple Store. Ja'kniya bought 4 screensavers and 3 Otterboxes for $29. Alayjah bought 6
Katarina [22]

Answer:  Each screensaver costs $2 and each Otterbox costs $7.

Step-by-step explanation:

Let x = Cost of each screensaver and y = cost of each Otterbox.

As per given, 4x+3y=29       (i)

6x +2y = 26  (ii)

Divide both sides of (i) by 2 and the multiply it by 3 on sides , we get

9x+3y=39    (iii)

Eliminate (i) from (iii) , we get

5x = 10

⇒ x = 2  [Divide both sides by 5]

Put value of x in (i), we get

4(2)+3y=29

⇒ 8+3y= 29

⇒ 3y= 21

⇒ y =7 [Divide both sides by 7]

Hence, Each screensaver costs $2 and each Otterbox costs $7.

7 0
3 years ago
SOMEONE PLEASE HELP ME WITH THESE 3 MATH QUESTIONS!!!!!
Len [333]

Look at the pictures (examples)

m∠1 = m∠6 → answer: none

m∠2 = m∠3 → answer: none

m∠2 = m∠C → answer: none



7 0
3 years ago
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