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boyakko [2]
3 years ago
12

Maria and her family drove 885 miles on their summer vacation . the first 8 on the left in this number has blank of 800

Mathematics
1 answer:
Anna71 [15]3 years ago
4 0
The first 8 on the left in this number has a value of 800.
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4. East High School has 540 students. There are 220 girls in the school.
Ierofanga [76]

Answer:

11:16

Step-by-step explanation:

The ratio is 220:320.

Cancel the 0s then divide by 2.

22/2=11

32/2=16

3 0
3 years ago
How many ways can you make 35?
Ksju [112]
35 é divisível por 5 e 7
5 e 7 são números primos, logo, 35 pode ser escrito...
5*7, 7*5, 35*1
7 0
3 years ago
Read 2 more answers
Sin(-x) = -sin x for all values of x true or false?<br> I
marissa [1.9K]
<span>Sin(-x) = -sin x for all values of x, IT IS TRUE
Because sinx is an odd function</span>
5 0
3 years ago
X + 6y = 2 4x - 3y = 10 Pick the first step to solving this system of equations using the addition method.
podryga [215]
<span>This one is the correct answer----->Multiply the bottom equation by 2 thus eliminating the y variable when the equations are added together.

</span><span>X + 6y = 2 ....top
</span><span>4x - 3y = 10...bottom

if we multiply the bottom equation by 2 .......... =>  8x - 6y = 20
if we add it to the top one..........>(8+1)x +(6-6)y = (20+2)
then we solve for x =>   x = 22/9 

then with the top equation, we solve for y == >  y = -2/27</span>
4 0
3 years ago
The exponential decay graph shows the expected depreciation for a new boat, sell g for $3500, over 10 years.
Alisiya [41]
Okay, the exponential function is
g = a^{x}
The start price of it in t=0 is 3,500, as we can see on the graph. Then, the function becomes
g = 3500^{x}
Let's see at t=2, where the price is g=2000:
2000 =  3500^{x}
Take natural logarithm:
ln 2000 = ln  3500^{x}
x*ln 3500 = ln 2000
x = \frac{ln 2000}{ln 3500} = 0.93
So, the difference between t=0 and t=2 is
x_{t=0}  -  x_{t=2}  = 1 - 0.93 = 0.07
And then we get the change of x in one year equal to 0.035.
So, the final equation is
g =  3500^{1-0.035t}
You can insert any t and see that it is correct, for example t=7
8 0
3 years ago
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