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Ivenika [448]
3 years ago
7

I NEED THIS ANSWERED QUICKLY 25points

Mathematics
1 answer:
Zinaida [17]3 years ago
4 0

thye nansnwewr isjafnhsbguavbgufvbsifsiisfo ogogogao

You might be interested in
If DE = 1.1 and DF = 2.8, what is EF?
kipiarov [429]
DE = 1.1

DF = 2.8

The difference between DF and DE is 2.8 - 1.1, or 1.7. This indicates EF.

EF is 1.7 units.
4 0
3 years ago
2. If log10 x = 2, then x is<br> a. 4<br> b. 20<br> c. 100<br> d. 1000
kherson [118]

Answer:

C

Step-by-step explanation:

Using the rule of logarithms

log_{b} x = n ⇔ x = b^{n}

Given

log_{10} x = 2 ⇒ x = 10² = 100 → C

8 0
3 years ago
Read 2 more answers
14 bags of sugar hold 725.2 grams in all. If each bag holds the same amount how many kilograms of sugar does one bag hold
Andrews [41]

9514 1404 393

Answer:

  0.0518 kg

Step-by-step explanation:

There are 1000 grams in a kilogram, so the given quantity is 0.7252 kg.

Divided 14 ways, each bag holds ...

  (0.7252 kg)/(14 bags) = 0.0518 kg/bag

6 0
2 years ago
In an arithmetic sequence, a_17 = -40 and a_28 = -73. Please explain how to use this information to write a recursive formula fo
Vinvika [58]

An arithmetic sequence

a_1,a_2,a_3,\ldots,a_n,\ldots

is one in which consecutive terms of the sequence differ by a fixed number, call it <em>d</em>. This means that, given the first term a_1, we can build the sequence by simply adding <em>d</em> :

a_2=a_1+d

a_3=a_2+d

a_4=a_3+d

and so on, the general pattern governed by the recursive rule,

a_n=a_{n-1}+d

We can exploit this rule in order to write any term of the sequence in terms of the first one. For example,

a_3=a_2+d=(a_1+d)+d=a_1+2d

a_4=a_3+d=(a_1+2d)+d=a_1+3d

and so on up to

a_n=a_1+(n-1)d

In this case, we're not given the first term right away, but the 17th. But this isn't a problem; we can use the same exploit to get

a_{18}=a_{17}+d

a_{19}=a_{17}+2d

a_{20}=a_{17}+3d

and so on, up to the next term we know,

a_{28}=a_{17}+11d=-40+11d

(Notice how the subscript of <em>a</em> on the right and the coefficient of <em>d</em> add up to the subscript of <em>a</em> on the left.)

The 28th term is -73, so we can solve for <em>d</em> :

-73=-40+11d\implies -33=11d\implies d=-3

To get the first term of the sequence, we use the rule found above and either of the known values of the sequence. For instance,

a_{17}=a_1+16d\implies-40=a_1-16\cdot3\implies a_1=8

Then the recursive rule for this particular sequence is

\begin{cases}a_1=8\\a_n=a_{n-1}-3&\text{for }n>1\end{cases}

7 0
3 years ago
The graphs below have the same shape. What is the equation of the blue
d1i1m1o1n [39]

Answer:

C

Step-by-step explanation:

4 0
3 years ago
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