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shtirl [24]
3 years ago
11

HELP PLEASE THANK U

Mathematics
1 answer:
Solnce55 [7]3 years ago
5 0
This is just my guess but I want to say no they are not similar because the first 10 + 5 = 15
8 + 5 = 13 not 12
To make it similar, 8 needs to be 7. This is ONLY my guess, I’m not 100% confident in my answer
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Light travels about 3 x 10^5 metres per second. Find the time it takes to travel 1 metre. Give your answer in standard form.
Anna71 [15]

Answer:

t=3.3*10^{-6}

Step-by-step explanation:

t=\frac{S}{v}

As

S=1m

v=3*10^{5}ms^-1

t=\frac{1}{3*10^{5} }

t=3.3*10^{-6}

3 0
2 years ago
Read 2 more answers
Percy has $50 in a savings account. The interest rate is 10% per year and is not compounded. How much will he have in 1 year?
user100 [1]

Answer:

Step-by-step explanation:

Take the 50 and multiply by 1.1 (this is 10% if you dont want to go .1 and add that to 50)

50*1.1=x

50*1.1=55

There will be a total of 55 Dollars in the savings account. He has earned 5 dollars in interest.

Hope This helps :)

3 0
2 years ago
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What is the solution to this equation 2x +3= 1 - 4?
4vir4ik [10]

2x + 3 = 1 - 4 (calculate)

2x - 3 = -3 (move the constant to the right)

2x = -3 - 3 (calculate)

2x = -6 (divide both sides)

<em>x = -3</em>

7 0
3 years ago
Read 2 more answers
Y=3/4x^2+9x vertex form?
Nutka1998 [239]

The standard form:

f(x)=ax^2+bx+c

The vertex form:

f(x)=a(x-h)^2+k\\\\h=\dfrac{-b}{2a};\ k=f(h)

We have

y=\dfrac{3}{4}x^2+9x\to f(x)=\dfrac{3}{4}x^2+9x\\\\a=\dfrac{3}{4},\ b=9,\ c=0\\\\h=\dfrac{-b}{2a}\to h=\dfrac{-9}{2\cdot\frac{3}{4}}=\dfrac{-9}{\frac{3}{2}}=-9\cdot\dfrac{2}{3}=-3\cdot2=-6\\\\k=f(h)\to k=f(6)=\dfrac{3}{4}(-6)^2+9(-6)=\dfrac{3}{4}(36)-54\\=(3)(9)-54=27-54=-27

Answer:

y=\dfrac{3}{4}(x-(-6))^2+(-27)=\dfrac{3}{4}(x+6)^2-27

7 0
3 years ago
Please answer this question now in two minutes
Cloud [144]

Answer:

Side FE < Side DE < Side DF

Step-by-step explanation:

Side FE < Side DE < Side DF are in ascending order.  Side FE is the shortest because it is opposite the smallest angle (47 degrees).

5 0
3 years ago
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