6 What is the surface area? 26 yd 26 yd 24 yd 33 yd 20 yd square yards

Mathematics

1 answer:

CaHeK987 [17]3 years ago

4 0

Answer:

26 yards = 78 ft square

78 × 78 = 6084 foot of surface area

Step-by-step explanation:

I think this is correct. Multiply 26y× 3 ft = (78)^2

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IM FAILING MY CLASS PLS HELP ASAP

labwork [276]

Answer:

A) 7 + 4(n - 1)

Step-by-step explanation:

The explicit rule follows the form, Tn = a + (n - 1)*(d), where 'a' is the first term and 'd' is the common difference between the numbers

It says that the first term is 7, so 'a' is 7. It also says that the numbers go up by 4 (adding 4 to the previous number), hence 'd' is 4.

Sub these values into the equation:

Tn = 7 + (n - 1)*(4)

Same as: 7 + 4(n - 1)

4 0

3 years ago

The sum of two numbers is 80 . The ratio of those two numbers is 3:5 find the larger Number

Oksana_A [137]

Answer:

the larger number is 50

Step-by-step explanation:

Notice there are two unknown numbers. Let's address the smaller one as x and the larger one as y. now we can write two equations from translating the phrases given into algebraic expressions:

"the sum of two numbers is 80" can be written as:

$x+y=80$

Now the second phrase:

"The ratio of those two numbers is 3/5"

Notice here that in our ratio we need to use our small number (x) in the numerator of the quotient, and the larger number (y) in the denominator to make it in agreement with the small and larger numbers of the ratio $\frac{3}{5}$ , and solve for x:

$\frac{x}{y} = \frac{3}{5} \\x= \frac{3}{5}y$

Replace the value of x we just obtained in the first equation we wrote, so we obtain one equation with only one unknown hat we should be able to solve:

$x+y=80\\\frac{3}{5} y+y=80\\\frac{3}{5} y+\frac{5}{5} y=80\\\frac{8}{5}y=80 \\8y=80*5\\8y=400\\y=\frac{400}{8} \\y=50$