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Verdich [7]
3 years ago
6

Multiply: (5t – 4)(4t + 5)

Mathematics
2 answers:
AnnZ [28]3 years ago
5 0
<span>The answer is this 20t2 + 9t – 20. Go look up a video for foiling </span>
ch4aika [34]3 years ago
3 0
<h2>Answer:</h2>

The product of the expression is:

            20t^2+9t-20

<h2>Step-by-step explanation:</h2>

We have to find the product of two algebraic  expressions which are given in terms of variable t  as:

           (5t-4)(4t+5)

We know that the product of two linear function will result in a quadratic equation i.e. a polynomial of degree 2.

We find the product as follows:

(5t-4)(4t+5)=5t(4t+5)-4(4t+5)\\\\\\i.e.\\\\\\(5t-4)(4t+5)=20t^2+25t-16t-20\\\\\\i.e.\\\\(5t-4)(4t+5)=20t^2+9t-20

Hence, the product is:

        20t^2+9t-20

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Si al cuadrado de un numero se le suma 11 se obtiene como resultado 92 ¿QUE NÚMERO ES?
Ivan

Answer: Nueve

Step-by-step explanation: Si cuadras el número nueve obtendrás ochenta y uno. Agregue once a eso y obtendrá noventa y uno.

¿Brainliest por favor?

7 0
3 years ago
PLEASE HELP I HAVE LIMITED TIME!!
MakcuM [25]

Answer:

N: n = 5 sides

side length: a = 23.2 m

inradius: r = 15.966 m

circumradius: R = 19.7351 m

Area: A = 926.03 m2

perimeter: P = 116 m

interior angle: x = 108 °

exterior angle:  y = 72 °

Description:

We use the calculations on the shape 16 and 23.2. Side length is 23.2. Pi is 16. calculate the numbers and all the answers are added above.

Please mark brainliest

<em><u>Hope this helps.</u></em>

8 0
3 years ago
PLEASE HELP!
Mariana [72]
-----------------------------------------------
Information Given:
-----------------------------------------------
ON = 7x - 9
LM = 6x + 4
MN = x - 7
OL = 2y - 7

-----------------------------------------------
Since it is a parallelogram:
-----------------------------------------------
ON = LM and
MN = OL

-----------------------------------------------
ON = LM:
-----------------------------------------------
7x - 9 = 6x + 4

-----------------------------------------------
Subtract 6x from both sides:
-----------------------------------------------
x - 9 = 4

-----------------------------------------------
Add 9 to both sides:
-----------------------------------------------
x = 13

-----------------------------------------------
MN = OL:
-----------------------------------------------
x - 7 = 2y - 7

-----------------------------------------------
Sub x = 13:
-----------------------------------------------
13 - 7 = 2y - 7

-----------------------------------------------
Simplify:
-----------------------------------------------
6 = 2y - 7

-----------------------------------------------
Add 7 on both sides:
-----------------------------------------------
13 = 2y

-----------------------------------------------
Divide by 2:
-----------------------------------------------
y = 13/2

-----------------------------------------------
Answer: x = 13, y = 13/2 (Answer D)
-----------------------------------------------


6 0
3 years ago
Bubble map vocabulary<br><br> decimal
alisha [4.7K]
Decimal is the dot used after the ones to show parts of one you normally see it in money. 1.50. The . between 1 and 50 is the decimal. Whats in front of the decimal is ones, tens, hundreds, etc and after the decimal is tenths, hundredths, etc.

Hope I helped<span />
6 0
3 years ago
Plz help ill give u brainlist
Doss [256]
Edge length = 63 feet

Volume = (length) x (width) x (height)

Volume = (63 ft) x (63 ft) x (63 ft) = (63 ft)³ = 250,047 ft³ .
=====================================

1 yard = 3 ft
63 ft = 21 yards

Volume of the cube = (21 yd) x (21 yd) x (21 yd) = (21 yd)³ = 9,261 yd³
======================================

A slightly different way:

1 yard = 3 ft
1 yard³ = (3 ft)³ = 27 ft³

Volume of the cube = (250,047 ft³) x (1 yd³/27 ft³) = 250,047/27 = 9,261 yd³
8 0
3 years ago
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