4 years ago

What is 10-5/2 and how do I do the math

Mathematics

1 answer:

madam [21]4 years ago

3 0

Answer:

7.5

Step-by-step explanation:

$\frac{5}{2}$ or 5/2 can also be written as 2.5

10 - 2.5 = 7.5

Refer to the attachment for the math

You might be interested in

If AC = 2, CD = 6, and CE = 3, what is BC?

suter [353]

Answer:

Hello,

Statement: Reasons:

BC/CD = AC/CE 1. Given

∠BCA = ∠ECD 2. Vertical ∠'s =

△ACB ~ △ECD 3. SAS

Hope it helps!

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

2(x−3)=8(x−6) what is x?

uysha [10]

Answer: x = 7

Step-by-step explanation:

2x - 6 = 8x - 48

+48

2x + 42 = 8x

-2x

42 = 6x

7 = x

4 0

3 years ago

Read 2 more answers

A cricket bat weighs 42 oz. together, two cricket balls and a cricket bat weigh the same as eight cricket balls plus 9 oz. how m

lutik1710 [3]

8x + 9 = 42
8x +(9-9)=42-9
8x=33
8x/8=33/8
4.125oz

4 0

4 years ago

What number is in the 100 place 123.456

soldier1979 [14.2K]

The hundreds place is 1
Tens is 2
Ones is 3
Tenths is 4
Hundredths is 5
Thousandths is 6

7 0

3 years ago

Read 2 more answers

The lengths of text messages are normally distributed with a population standard deviation of 4 characters and an unknown popula

umka21 [38]

Answer:

The answer is " $(25.32, 30.68)$ "

Step-by-step explanation:

Given:

$\bar x = 28\\\\ \sigma = 4\\\\n =26\\\\$

When $98\%$ confidence level so, the z:

$\alpha = 1 - 98\% = 1 - 0.98 = 0.2\\\\\frac{\alpha}{2} =\frac{0.02}{2} = 0.01\\\\Z_{\frac{\alpha}{2}} = Z_{0.01} = 1.645\ \ \ ( Using \ z \ table )\\\\$

$E = Z_{\frac{\alpha}{2} \times ( \frac{\sigma}{\sqrt{n}})$

$= 1.645 \times (\frac{4}{\sqrt{26}})\\\\=2.68$

When 98% confidence interval estimate of the population mean is,

$\bar x - E < \mu < \bar x + E\\\\28 - 2.68 < \mu < 28 + 2.68\\\\25.32 < \mu < 30.68\\\\(25.32, 30.68)\\\\$

7 0

3 years ago