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2 years ago

Can someone help me? Thanks!

Mathematics

2 answers:

scZoUnD [109]2 years ago

7 0

3 to the -3 power.. ...

Andreyy892 years ago

6 0

3 ^^^^^^^^^^↑^^^^^^^^^^

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Add: (4a.”+ 6a2- 10a - 4) +(6a + a²+ a + 7)

sineoko [7]

(2a-1 )exponent two•(3a + 2) exponent 2• (4a-3) exponent 2

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2 years ago

The grocery store sells kumquats for $4.50 a pound and Asian pears for $4.00 a pound. Write an equation in standard form for the

Kipish [7]

k = kumquats

p = Asian pears

4.50k + 4.00p= 12

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2 years ago

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Write each fraction as a decimal use bar note if nessasary

weeeeeb [17]

Answer:

i think its .625

Step-by-step explanation:

all you need to do to make a fraction into a decimal is divide the nominator by the denominator

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3 years ago

HELP PICTURE SHOWN

natita [175]

I think its figure A but i am not sure.

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3 years ago

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Given: △ACM, m∠C=90°, CP ⊥ AM

larisa86 [58]

Answer: The answer is $3\dfrac{4}{7}.$

Step-by-step explanation: Given in the question that ΔAM is a right-angled triangle, where ∠C = 90°, CP ⊥ AM, AC : CM = 3 : 4 and MP - AP = 1. We are to find AM.

Let, AC = 3x and CM = 4x.

In the right-angled triangle ACM, we have

$AM^2=AC^2+CM^2=(3x)^2+(4x)^2=9x^2+16x^2=25x^2\\\\\Rightarrow AM=5x.$

Now,

$AM=AP+PM=AP+(AP+1)\\\\\Rightarrow 2AP=AM-1\\\\\Rightarrow 2AP=5x-1.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(A)$

Now, since CP ⊥ AM, so ΔACP and ΔMCP are both right-angled triangles.

So,

$CP^2=AC^2-AP^2=CM^2-MP^2\\\\\Rightarrow (3x)^2-AP^2=(4x)^2-(AP+1)^2\\\\\Rightarrow 9x^2-AP^2=16x^2-AP^2-2AP-1\\\\\Rightarrow 2AP=7x^2-1.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(B)$

Comparing equations (A) and (B), we have

$5x-1=7x^2-1\\\\\Rightarrow 5x=7x^2\\\\\Rightarrow x=\dfrac{5}{7},~\textup{since }x\neq 0.$

Thus,

$AM=5\times\dfrac{5}{7}=\dfrac{25}{7}=3\dfrac{4}{7}.$

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3 years ago