3 years ago

Please help! I’m begging you. Give the answers!

Mathematics

2 answers:

ki77a [65]3 years ago

8 0

Answer:

4lb and 6oz

Step-by-step explanation:

number one is

Andreas93 [3]3 years ago

4 0

4lb and 6oz is the answer to number 1

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A rectangle whose area is 180 square feet has a width that is 3 feet less than the length. Find the dimensions of the rectangle.

Yuliya22 [10]

Answer:

The length is $15\ ft$

The width is $12\ ft$

Step-by-step explanation:

we know that

The area of rectangle is equal to

$A=LW$

we have

$A=180\ ft^{2}$

$180=LW$ -----> equation A

$W=L-3$ ------> equation B

substitute equation B in equation A and solve for L

$180=L(L-3)$

$180=L^{2}-3L$

$L^{2}-3L-180=0$

using a graphing tool------> solve the quadratic equation

The solution is $L=15\ ft$

see the attached figure

<em>Find the value of W</em>

$W=15-3=12\ ft$

4 0

3 years ago

Find the surface area of the composite figure

bogdanovich [222]

Answer:

268

Step-by-step explanation:

2(2×6+2×2+2×6) + 2(4×5+4×10+10×5) - 2(2×2)

= 56+220-8

= 268 cm²

4 0

3 years ago

Read 2 more answers

Hans cellphone plan costs $200 to start. Then there is a $50 charge each month

Gnesinka [82]

Y=200+50x and x is how many months

4 0

3 years ago

S(n) is a function that square numbers it can be written in equation from as S (n) = N squart 2 what is the value of S(11)

Pani-rosa [81]

$f(n)=n^2$ is what I think you mean
$f(11)=11^2=121$

7 0

4 years ago

Write the explicit formula for the geometric sequence.<br><br> a1 = -5 a2 = 20 a3 = -80

liq [111]

An = a1 * r^(n-1)
a1 = first term = -5
r = common ratio = -4

so ur formula is : an = -5 * -4^(n-1) <==

6 0

3 years ago