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2 years ago

11

Sarah's mother gives her $25 for each A she gets on her report card and $10 for each B. If Sarah's mother gave her $80 and Sarah

had 3 B's, how many A's did she have on her report card?

1 answer:

iragen [17]2 years ago

4 0

Answer:

2 A"s

Step-by-step explanation:

You take 80-30 and are left with 50 so you divide that by 25 and get 2

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If H is the circumcenter of triangle BCD, find each measure. CD, CE, HD, GD, HG, HF

Levart [38]

Answer:

H is the circumcenter of triangle BCD

CD = 2FD = 2*32 = 64
CE = BE = 26
HD = HC = 33
GD = 1/2BD = 1/2(58) = 29
HG = √HD ²-GD² = √33²-29² = 2√62 ≈ 15.75
HF = √HD ²-FD² = √33²-32² =√65 ≈ 8.06

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3 years ago

Please help with question with explanations. Ty.

earnstyle [38]

Answer:

last option is correct answer

Step-by-step explanation:

$perimeter = 2(l + w) \\ = 2( \frac{5x + 10}{2x + 5} + \frac{x - 2}{2x + 5} ) \\ = 2( \frac{5x + 10 + x - 2}{2x + 5} ) \\ = 2( \frac{6x + 8}{2x + 5} ) \\ = \frac{12x + 16}{2x + 16}$

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2 years ago

(197)^2-(97)^2 evaluate without using calculator or table<br>

Bezzdna [24]

Answer:

29400

Step-by-step explanation:

$formula: \\ {a}^{2} - {b}^{2} = (a + b)(a - b) \\ ( {197)}^{2} - ( {97)}^{2} \\ = (197 + 97)(197 - 97) \\ = 294 \times 100 \\ = 29400 \\$

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2 years ago

Write it as a product: -<img src="https://tex.z-dn.net/?f=ax%5E%7B6%7D" id="TexFormula1" title="ax^{6}" alt="ax^{6}" align="absm

IrinaK [193]

Answer:

$\frac{-abx^{6}+1 }{b}$

Step-by-step explanation:

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2 years ago

In ΔABC, If AB=BC and ∠B=40∘,what is the measure of ∠C?

AlekseyPX

Answer:

70

Step-by-step explanation:

all angles in a triangle add up to 180

if two sides are equal their angles are equal

180-40

140÷2

70

7 0

2 years ago