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tatiyna
3 years ago
10

Match the addition and subtraction problems to solutions

Mathematics
2 answers:
alexgriva [62]3 years ago
8 0

Answer:

\frac{5}{7}  - \frac{3}{7} = B \frac{2}{7}

\frac{1}{6} + \frac{3}{6}  = C \frac{2}{3}

\frac{1}{2} + \frac{1}{4} = E \frac{3}{4}

\frac{1}{5} + \frac{1}{2} = D \frac{7}{10}

\frac{1}{6} - \frac{1}{8} = A \frac{1}{24}

Marrrta [24]3 years ago
3 0

Answer: 1B.   2C 3E 4D 5E

Step-by-step explanation:

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Hi can someone please explain ​
gulaghasi [49]

Answer:

6) 8

Step-by-step explanation:

you are just multiplying 2*2*2*2=8

5 0
3 years ago
Claim: Fewer than 94​% of adults have a cell phone. In a reputable poll of 1004 ​adults, 86​% said that they have a cell phone.
meriva

Answer: The value of test statistic = -10.67

Step-by-step explanation:

Test statistic for proportion:

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

, where p= population proportion

n= sample size

\hat{p} = sample proportion

AS per given,

p=0.94, n= 1004, \hat{p}=0.86

z=\dfrac{0.86-0.94}{\sqrt{\dfrac{0.94(1-0.94)}{1004}}}\\\\=\dfrac{-0.08}{\sqrt{\dfrac{0.0564}{1004}}}\\\\=\dfrac{-0.08}{\sqrt{0.0000561752988048}}\\\\=\dfrac{-0.08}{0.00749501826581}\\\\=-10.673756509\approx-10.67

i.e. the value of test statistic = -10.67

8 0
3 years ago
Sebastian writes the recursive formula f(x+1) = 4f(x) to represent a geometric sequence whose second term is 12. Which explicit
NeX [460]

Answer:

B.) f(x) = 3(4)x − 1

Step-by-step explanation:

A) f(x) = 12(4)x

B.) f(x) = 3(4)x − 1

C.) f(x) = 4(12)x

D.) f(x) = 4(3)x − 1

Given:

f(x+1) = 4f(x)

f(2)=12

f(2) = 12

f(3) = 4f(2) = 4 * 12 = 48

f(3)=48 and f(2)=12

From f(3)=48 and f(2)=12

r=48/12

=4

r=common ratio

Recall,

f(2)=12=ar

r=4

f(2)=ar=12

a*4=12

a=12/4

a=3

an=ar^(n-1)

For x term

an=3*4(x-1)

B.) f(x) = 3(4)x − 1

5 0
4 years ago
What best explains what determines whether a number is irrational?
cestrela7 [59]
An irrational<span> number is a number that cannot be exactly expressed as a ratio of two integers. Hope this helps!</span>
6 0
3 years ago
-2x + y = 5 <br><br> what does y equal and how did you solve it?
Olin [163]

Answer:

y=2x+5

Step-by-step explanation:

Let's solve for y.

−2x+y=5

Step 1: Add 2x to both sides.

−2x+y+2x=5+2x

y=2x+5

7 0
3 years ago
Read 2 more answers
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