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Lapatulllka [165]
3 years ago
15

What is x/-4 + 7 = 9​

Mathematics
1 answer:
lawyer [7]3 years ago
7 0

Answer:

x = 8

Step-by-step explanation:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

x  = 8

Hope it helps!

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Ryan is 23 years older than stacy. In 6 years he will be 2 times her age. how old is each person now?
Aloiza [94]

Answer:

Ryan 40

Stacy 17

Step-by-step explanation:

x -----> Stacy

x + 23 -----> Ryan

x + 6  Stacy

x + 23 + 6   Ryan

x + 29 Ryan

 

x + 29 = 2(x + 6)

x + 29 = 2x + 12

x - 2x = 12  - 29

-x = - 17

x = 17 Stacy

x + 23

17 + 23

40 Ryan

4 0
3 years ago
Thabo invests R50000 at the rate of 5% per annum compound interest periodically every six months.How many years does it take to
lina2011 [118]

Answer:

50000-5%=49500 pls like

7 0
3 years ago
*PLEASE HELP ASAP!!!! PLEASE SHOW YOUR WORK! THANKS!*
den301095 [7]
1 .Fridays and Saturdays, she works 16 hours

16 x $9.70  = $155.20
answer: her gross pay in a week: $155.20

2.  7 hours on Wednesday, 6 hours on Thursday, and 9 hours on Friday. His gross pay for all three days was $196.90
7 + 6 + 9 = 22
196.90 / 22 = $8.95
answer: his hourly rate was $8.95

3.hourly rate of $11.28 per hour worked 46 hours last week. She works overtime for hours exceeding 40 hours in a week. She is paid overtime at a rate of time and a half. What was her gross pay last week?

$11.28 x 40 = $451.20 ---normal 40 hours paid

46 - 40 = 6 (6 hours over time)

11.28 + 11.28/ 2 = $16.92 (overtime pays a rate of time and a half)

6 * $16.92 = $101.52

$451.20(40hours) +  $101.52(6hours overtime) = $552.72

answer: her gross pay last week was $552.72

4. Paul received a $15 tip on a meal that cost $120. What percent of the meal cost was the tip?

15 / 120 = .125
.125 * 100 = 12.5%

answer: percent of the meal cost was the tip was 12.5%

5. Carly earns a weekly salary of $720 plus 4% commission. Last week, she sold $3250 worth of products. What was her gross pay?

4% = .04
$3,250  * .04 = $130 (commission on sold products)

$720  + $ 130 = $850
answer:  her gross pay was $850

5 0
3 years ago
Read 2 more answers
Jacob sells homemade skateboard decks for a profit of $27 per deck. He is considering switching to a new type of material that w
Gala2k [10]

Answer:

5$

Step-by-step explanation:

32$ -27$ = 5$

as y = 32x and x =1

mark me brainlist

7 0
3 years ago
Read 2 more answers
What is the value of A when we rewrite 29^x/2 as A^x ?
lara31 [8.8K]
Is it
\frac{{29}^{x}}{2}
Or
29^\frac{{x}} {2}
6 0
3 years ago
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