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VMariaS [17]
3 years ago
14

Find the solution of y = 2x + 5 for x = 1.

Mathematics
2 answers:
Sholpan [36]3 years ago
8 0

Answer:

(1, 7)

Step-by-step explanation:

Substitute x = 1 into the equation for the corresponding value of y

y = 2x + 5 = (2 × 1) + 5 = 2 + 5 = 7

Solution is (1, 7)

liubo4ka [24]3 years ago
5 0

Answer:

y=7

Step-by-step explanation:

y = 2x+5

Let x =1

y = 2(1) +5

y = 2 +5

y =7

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PLS HELP WILL GIVE BRIANLEST.
satela [25.4K]

Answer:

In this equation, let "x" equal the rate at which the tub will be filled. The tub holds 32 gallons, which will be one half of the equation. The tub already contains 12 gallons, so this will be half of the other side of the equation. The rate is "x" gallons per minute, and the time it required was 5 minutes, so this would be "5x". Placing all these parts together gives an equation of (32 = 5x + 12) gallons per minute dispensed.

6 0
3 years ago
If <br>a+e = 11<br>a²-f=15<br>f+c=6<br>c×a-e=13<br>what is the value of the variables​
CaHeK987 [17]

Answer:

a=4

c=5

e=7

f=1

Step-by-step explanation:

the simplest method would be to start with a(2)"squared" (being '4' as this will get you closest to 15. So 16 -1 (being 'c') = 15. now plug those into the other equations and work the other numbers out.

8 0
3 years ago
Find the oth term of the geometric sequence 5,--25, 125,
Genrish500 [490]

Given the geometric progression below

5,-25,125,\ldots

The nth term of a geometric progression is given below

T_n=ar^{n-1},\begin{cases}a=\text{first term} \\ r=\text{common ratio}\end{cases}

From the geometric progression, we can deduce the following

\begin{gathered} T_1=a=5 \\ T_2=ar=-25 \\ T_3=ar^2=125 \end{gathered}

To find the value of r, we will take ratios of two consecutive terms

\begin{gathered} \frac{T_2}{T_1}=\frac{ar}{a}=\frac{-25}{5} \\ \Rightarrow r=-5 \end{gathered}

To find the 9th term of the geometric, we will have that;

\begin{gathered} T_9=ar^8=5\times(-5)^8=5\times390625 \\ =1953125 \end{gathered}

Hence, the 9th term of the geometric progression is 1953125

8 0
1 year ago
4. Tom decided to join Platinum Gym because of its new equipment. At the grand opening, the manager announced that 124 people ha
JulsSmile [24]

Number of people who signed up on the opening = 124

Number of people for whom registration fee is waived off = 50

Registration fee =  $60

Monthly fee = $20

Part A: Money it will make from the grand opening memberships = ?

⇒ Money it will make from the grand opening memberships = Money made from registration fee + Money made from first month's fee

⇒ Money it will make from the grand opening memberships = (Number of people who were charged registration fee ×  Registration fee per person) + (Number of people who registered × Monthly fee per person)

⇒ Money it will make from the grand opening memberships = (124 - 50) × 60 + (124 × 20)

⇒ Money it will make from the grand opening memberships = (74 × 60) + (124 × 20)

⇒ Money it will make from the grand opening memberships = (4,440) + (2,480)

⇒ Money it will make from the grand opening memberships = $6,920

Part B: Money made in 6 months, from the original 124 people who joined at the grand opening = ?

⇒ Money made in 6 months = Money made from registration fee + Money made from 6-months monthly fee

⇒ Money made in 6 months = (Number of people who were charged registration fee ×  Registration fee per person) + (Number of people who registered × Monthly fee per person × 6)

⇒ Money it will make from the grand opening memberships = (124 - 50) × 60 + (124 × 20 × 6)

⇒ Money it will make from the grand opening memberships = (74 × 60) + (124 × 20 × 6)

⇒ Money it will make from the grand opening memberships = 4,440 + 14,880

⇒ Money it will make from the grand opening memberships = $19,320

Hence, by the end of 6 months, the gym would have made $19,320

7 0
3 years ago
HURRY FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 45 ÷ 2 =
ExtremeBDS [4]

Answer:

Answer is 22.5

Step-by-step explanation:

PLEASE MARK ME BRAINLIEST :)

4 0
3 years ago
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