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4 years ago

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Latrell has $8 to spend on postcards. He wants to buy one large postcard and some small ones. Write and solve an inequality to d

etermine how many small postcards Latrell can purchase. Interpret the solution.

1 answer:

fgiga [73]4 years ago

8 0

I have had this worksheet

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What value of x makes the equation 5(4x - 1)=4(2.5x+8) true?

monitta

Answer:

37/10

( I hope this was helpful) >;D

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3 years ago

Read 2 more answers

Find the exact value of sine [2 cosine Superscript negative 1 Baseline (- StartFraction StartRoot 2 EndRoot/2 EndFraction )] = n

Nady [450]

Answer:

$\frac{3\pi}{2}$ .

Step-by-step explanation:

The given expression is

$2\cos^{-1}\left(-\frac{\sqrt{2}}{2}\right)$

It can be rewritten as

$2\cos^{-1}\left(-\frac{1}{\sqrt{2}}\right)$

$2\left [\pi-\cos^{-1}\left(\frac{1}{\sqrt{2}}\right)\right]$ $[\because \cos^{-1}(-x)=\pi-\cos^{-1}(x), x\in [-1,1]]$

$2\left [\pi-\cos^{-1}\left(\cos \frac{\pi}{4}\right)\right]$

$2\left [\pi-\frac{\pi}{4}\right]$

$2\left [\frac{4\pi-\pi}{4}\right]$

$\frac{3\pi}{2}$

Hence, the exact value of given expression is $\frac{3\pi}{2}$ .

3 0

3 years ago

Math answer with work cause it need proof ASAP<br> for points

Sauron [17]

Answer:

A

Step-by-step explanation:

We are starting with 51

50x10=50

1x1=1

since there were 0.21 seconds, we first have to find the tenths place.

0.1x2=0.2

now that we found the tenths place, we need to find the hundredths place

0.01x1=1

FINAL ANSWER

(5 x 10) + (1 x 1) + (2 x 0.1) + (1 x 0.01)

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4 years ago

Can you tell me what 4% of ? is 56 days

mars1129 [50]

The answer is
56/0.04=1400

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4 years ago

Rewrite each sum as a product of the Gcf of the addends and another number. 15+45

morpeh [17]

15 + 45

GCF = 15

15/15 = 1
45/15 = 3

(15 * 1) + (15 * 3) =
15(1 + 3) <===

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4 years ago