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expeople1 [14]
3 years ago
5

Help me please I beg

Mathematics
1 answer:
likoan [24]3 years ago
7 0

Answer:

a) x=25+0.06y

b)x=25+0.06*30=£26.80

c)x=25+0.06*200=£37

d)x=25+0.06y ; 43=25+0.06y ; 43-25=0.06y ; 18=0.06y ; y=18÷0.06 ; y=300 messages

Step-by-step explanation:

aaaaaa hope theyre correct

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2.6y-4/15y+7/6y=7/3y
ohaa [14]

Answer:

y=0

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2.6y-4/15y+7/6y=7/3y

2.6y-(-)4/15y+7/6y=7/3y

(2.6y-4/15y+7/6y)=7/3y (combine like terms)

7/2y = 7/3y

Step 2: Subtract 7/3y from both sides.

7/2y - 7/3y =  7/3y - 7/3y

7/6y = 0

Step 3: Multiply both sides by 6/7

6/7 . 7/6y = 6/7 . 0

y = 0

3 0
3 years ago
URGENT! 40 POINTS! PLEASE HELP!
umka2103 [35]

Answer:

(a) 8 x(5 x-6)=40 x^{2}-48 x

(c) \begin{aligned}(x-3)(5 x-6) &=5 x^{2}-21 x+18\end{aligned}

Step-by-step explanation:

(a) To find verify the answer we need to multiplying the equation 8 x(5 x-6)

8 x(5 x-6)=40 x^{2}-48 x

Thus, this statement is true.

(b) To find verify the answer we need to multiplying the equation -4 x\left(2 x^{2}+1\right)

-4 x\left(2 x^{2}+1\right)=-8 x^{3}-4 x

Hence, the given statement is false.

(c) To find verify the answer we need to multiplying the equation (x-3)(5 x-6)

\begin{aligned}(x-3)(5 x-6) &=5 x^{2}-6 x-15 x+18 \\&=5 x^{2}-21 x+18\end{aligned}

Hence, the given statement is true.

(d) To find verify the answer we need to multiplying the equation(2 x+3)\left(x^{2}+3 x-5\right)

\begin{aligned}=(2 x+3)\left(x^{2}+3 x-5\right) &=2 x^{3}+6 x^{2}-10 x+3 x^{2}+9 x-15 \\&=2 x^{3}+9 x^{2}-x-15\end{aligned}

Hence, the given statement is false.

4 0
3 years ago
Read 2 more answers
Jessicawants to buy a ring for her friend Sarah. She knows Sarah's finger has a diameter of 15mm. The jewelry store sizes their
soldier1979 [14.2K]
14.5 would be the radius
4 0
3 years ago
Read 2 more answers
Camille goes to sleep at 8:30 pm and wakes up at 6:00 am. How long does Camille sleep?
Len [333]

Answer:

9. 5 Hours

Step-by-step explanation:

8:30 AM to 12:00 PM = 3.5 hours

12:00 PM to 6:00 PM = 6 hours

Total = 6 + 3.5 = 9.5 hours  

Hope this answer helps you :)

Have a great day

Mark Brainliest

4 0
3 years ago
Emily washes a car in 6 minutes. Larissa can wash that same car in 8
Arisa [49]
It takes Emily 6 minutes to wash the car. This means he washes 16
1
6
of the car per minute.Larissa therefore washes 18
1
8
of the car per minute. Working together, they both wash 16+18
1
6
+
1
8
of the car, or 724
7
24
of the car each minute. This means that it takes 247
24
7
minutes to wash the entire car — or 3 minutes, 25.714285... seconds total.
3 0
3 years ago
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