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3 years ago

PLZZZ HELP WHAT IS THIS:) <3

Mathematics

2 answers:

Shalnov [3]3 years ago

7 0

The answer to #4 is A)7.5 m
The answer to #5 is C)28.3 cm

7nadin3 [17]3 years ago

4 0

A^2 + b^2 = c^2 in right triangles.
4^2 + b^2 = 8.5^2
16 + b^2 = 72.25
b^2 = 56.25
b = 7.5

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Given (64y^2)+(4x^2)+128y+16x+64=0, transform the equation into the appropriate form

____ [38]

Answer:

(8y+8)²+(4x²+16)=0

Step-by-step explanation:

Given:

(64y²)+(4x²)+128y+16x+64=0

Find:

Equation into the appropriate form

Computation:

(64y²)+(4x²)+128y+16x+64=0

(8y)²+(2x)²+128y+16x+64=0

(8y)²+(2x)²+2(8y)(8)+2(2x)(4) + 8²=0

(8y+8)²+(4x²+16)=0

6 0

3 years ago

Write word to match the expression 36÷4

Alja [10]

Hmm i guess this is what you are asking, thirty six divided by four. hope that helps

6 0

3 years ago

Read 2 more answers

Solve the equations: <br> bx-c=ax+d

Paladinen [302]

Answer:

$x = \frac{c + d}{b - a}$

Step-by-step explanation:

bx-c=ax+d

<=> bx-ax=c+d

<=> (b-a)x=c+d

<=> x=(c+d)/(b-a)

8 0

3 years ago

In a prior sample of corn, farmer Carl finds that 14% of the sample has worms but the margin of error for his population estimat

Savatey [412]

Answer: 741

Step-by-step explanation:

As per given ,we have

The prior estimate of population proportion: $p=0.14$

Margin or error : 2.5%=0.025

Critical value for 95% confidence = $z_{\alpha/2}=1.96$

Formula to find the sample size :-

$n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2$

i.e. $n=0.14(1-0.14)(\dfrac{1.96}{0.025})^2$

$=740.045824\approx741$

Hence, the minimum sample size required to obtain this type of accuracy= 741

6 0

3 years ago

I have 97 pieces of candy that I would like to put into plastic Easter eggs to hide for my kids.

Svetach [21]

Answer:

17 blue eggs and 23 purple

Step-by-step explanation:

what we do is very simple

2 eggs one of each = 5

Then we distribute 97

b = (90/2 + 1 + 1) /3 p = (90/2 + 1) /2

b = 47/2 p= 46 /2

b = 17 p = 23

3 0

3 years ago