4 years ago

Helpppp!BASIC MATHhhh

Mathematics

1 answer:

MAXImum [283]4 years ago

4 0

How much we need for start-up supplies . . . . . $25

AFTER start-up supplies we want to have . . . $70

Total amount we need to get started . . . (25 + 70) = $95

Number of people contributing . . . (me + 4) = 5

<em>Amount each person needs to kick in</em> . . . (95/5) = <em>$19</em>

As your preliminary Accountant, please reserve me one dozen (13) bagels from the first batch you produce !

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Cho hình chóp SABC có đáy ABC là tam giác đều cạnh a tam giác SAB vuông cân tại s và nằm trong mặt phẳng vuông góc với mặt phẳng

Leviafan [203]

Answer:

I dont understand what you are saying sorry

7 0

3 years ago

In trapezoid ABCD, AC is a diagonal and ∠ABC≅∠ACD. Find AC if the lengths of the bases BC and AD are 12m and 27m respectively.

xz_007 [3.2K]

Answer:

Length of diagonal is 18 m

Step-by-step explanation:

Given in trapezoid ABCD. AC is a diagonal and ∠ABC≅∠ACD. The lengths of the bases BC and AD are 12m and 27m. We have to find the length of AC.

Let the length of diagonal be x m

In ΔABC and ΔACD

∠ABC=∠ACD (∵Given)

∠ACB=∠CAD (∵Alternate angles)

By AA similarity theorem, ΔABC~ΔACD

∴ their corresponding sides are proportional

$\frac{x}{27}=\frac{12}{x}=\frac{AB}{CD}$

Comparing first two, we get

⇒ $\frac{x}{27}=\frac{12}{x}$

⇒ $x^2=27\times 12$

⇒ $x=\sqrt324=18$

hence, the length of diagonal is 18 m

4 0

3 years ago

(13-(4-1)-2)+4 Help I got finals and don't understand

V125BC [204]

(13 - (4 - 1) -2) +4
Do the inner parentheses first

(13 - (3) - 2) +4

(13 - 3 - 2) + 4

(8) + 4

12
Hope this helps!
Brainliest is much appreciated!

8 0

2 years ago

Read 2 more answers

What is the product of five square root five times six square root four ? Simplify your answer.

stepan [7]

60 square root of 5 is the answer

5 0

3 years ago

Read 2 more answers

An author is having a book signing at a store. She agrees to give 15% of the money she earns to a local school library and 10% o

Fudgin [204]

Answer:

$300

Step-by-step explanation:

10+15=25% or 1/4

400/4=100

400-100=300

5 0

3 years ago