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3 years ago

How to write one million sixty five?

Mathematics

2 answers:

Tanya [424]3 years ago

3 0

Answer:

1,000,065 is the answer

Lesechka [4]3 years ago

3 0

To write this number in standard form, you write it as : 1,000,065.

To write it as a word, you write it as : one million, sixty five.

To write it in expanded form, you write it as : 1,000,000+60+5

Hope this helps, if not, comment below please!!!!

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Maria, bill, and change sent a total of 71 text messages during the weekend. change sent 2 times as many messages as bill. maria

VLD [36.1K]

Alright, we're dealing with a few values here, so let's give them some labels to save us some trouble down the road. We'll call the number of messages sent by Maria m, the number sent by Bill b and the number sent by Change (is that a real name?) c. We don't know exactly what each number is, but let's take a look at what information they do give us.

Change sent 2 times as many messages as Bill, or, using our variable for Change and Bill:

$c=2b$

We're also given that Maria sent 7 messages more than Bill, which we can represent with:

$m=b+7$

Notice that m and c are both in terms of b. We can use this for our next step. We're given at the beginning that together, Maria, Bill, and Change sent 71 messages over the weekend. As an equation using all of our variables, this translates to:

$m+b+c=71$

Since m and c are both in terms of b, we can substitute those expressions in and solve for b:

$(b+7)+b+2b=71\\ b+7+b+2b=71\\ 7+4b=71\\ 4b=64\\ b=16$

Now that know that Bill sent 16 texts, we can find the numbers for Change and Maria:

$m=b+7=16+7=23\\
c=2b=2(16)=32$

So, Bill sent 16 texts, Maria sent 23, and Change sent 32.

4 0

3 years ago

To get the 10% discount, a shopper must spend at least $200.

Liula [17]

Answer:

$d\geq \$200$

Step-by-step explanation:

we know that

To get the 10% discount, a shopper must spend at least $200

Let

d ------> represent the spending (in dollars) of a shopper who gets the discount

therefore

The value of d must be greater than or equal to $200

$d\geq \$200$

5 0

3 years ago

HELP ASAP PLEASE ONLY #4,6,8,10,12,14,16

ExtremeBDS [4]

Answer:

Step-by-step explanation:

Oof, all 6? That's not fun.

I'm going to show you one for the first bunch, (4-12) and hopefully you can get the rest. If not let me know and I can more carefully work you through some others on here.

4) So first we need the angle. How do we find that? Well, we know it's somewhere between 270 and 360 degrees (or 3pi/2 and 2pi radians) since it's in the fourth quadrant. The method to finding the angle is ifferent for each quadrant, but it's nice to know around where you'll get. Anyway,, if we take 360 and subtract that little space that is unlabeled we will know the rest. Hopefully that makes sense, but let me know if not, it's important to understand. Maybe think of what happens if you add the two together, you get around the whole circle then.

Anyway, to find that little sliver, we are going to construct a right triangle wherethe x axis is one side. If you draw a line connecting point p and the x axis you have this right triangle. I am going to call this sliver we don't know s. ANyway, now we use trig here.

s = arcsin(3/5) (you can find 5 pretty easily but let me know if you don't see it.)

You may think to use -3 instead of 3, and it wouldn't be a huge mistake, it will just give you the negative version of what we want.

Anyway, now we know theta is 360-s (or 2pi-s). You can solve s or leave it as arcsin(3/5) so you don't have to round.

Now we can solve the trig functions. If you don't know the sum and difference trig identities you will have to round. They are pretty simple formula though. For instance, sin(2pi - arcsin(3/5)) = sin(2pi)cos(arcsin(3/5))-cos(2pi)sin(arcsin(3/5)) = 0 - 3/5 = -3/5 You will also want to know that s = arcsin(3/5) = arccos(4/5) = arctan(3/4). ROunding will get you close but not exact.

Again, let me know ifyou need any more help, they should just be a lot of doing the same thing over and over and over again though.

14) For 14 and 16 you just need to know how the graphs of sin, cos and tan look. Is this something you have trouble with? Like could you draw the graphs at the intervals of increasing/ decrasing and all. if not I can give a quick explanation.

7 0

3 years ago

What does 8.4 10^5-7.7 10^4 equal?

Alex

Answer:

$\huge\boxed{763,000=7.63\cdot10^5}$

Step-by-step explanation:

$\bold{METHOD\ 1:}\\\\8.4\cdot10^5-7.7\cdot10^4=8.4\cdot100,000-7.7\cdot10,000\\\\=840,000-77,000=763,000\\\\\bold{METHOD\ 2:}\\\\8.4\cdot10^5-7.7\cdot10^4=8.4\cdot10^{1+4}-7.7\cdot10^4\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=8.4\cdot10^1\cdot10^4-7.7\cdot10^4=84\cdot10^4-7.7\cdot10^4\\\\\text{use the distributive property}:\qquad a(b+c)=ab+ac\\\\=(84-7.7)\cdot10^4=76.3\cdot10^4=7\underbrace{.63}_{\leftarrow1}\cdot10^{4+1}=7.63\cdot10^5$

5 0

3 years ago

The weights of Sarus crane chicks and hooded crane chicks H (both in grams) during the 10 days following hatching can be modeled

Katarina [22]

Answer:

35.875 grams

Step-by-step explanation:

Given

Functions:

S(t) = –0.122t³ + 3.49t² – 14.6t + 136
H(t) = –0.115t³ + 3.71t² – 20.6t + 124

Finding the difference between S(5) and H(5)

S(5) - H(5) =
–0.122t³ + 3.49t² – 14.6t + 136 - (–0.115t³ + 3.71t² – 20.6t + 124) =
(-0.122 + 0.115)*5³ + (3.49 -3.7)*5² - (14.6 -20.6)*5 + 136 - 124 = 35.875

Answer is 35.875 grams

6 0

3 years ago