4 years ago

Given that ABCD is a trapezoid (AB ∥ DC), AD = BD = CD = 6.5cm and BC = 5cm. Find the length of the diagonal

Mathematics

1 answer:

Helga [31]4 years ago

6 0

Answer:

Step-by-step explanation:

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Expand and simplify the following:

il63 [147K]

Answer: 2d³+11d²+19d+10

Step-by-step explanation:

Use the FOIl method to simplify this

First
Outer
Inner
Last

-------------------------------------------------------------------

(5+2d)(2+3d+d²)

=10+15d+5d²+4d+6d²+2d³ ⇔ Expand using FOIL

=2d³+(5d²+6d²)+(4d+15d)+10 ⇔ Put like terms together

=2d³+11d²+19d+10 ⇔ Combine like terms

Hope this helps!! :)

Please let me know if you have any questions

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3 years ago

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Mrs. Linden bought 1.25 pounds of dried fruit and o.5 pound of cereal. If Mrs. Linden paid for her items with 5.00 how much chan

Grace [21]

Answer:

£3.25

Step-by-step explanation:

You would add £1.25 and £00.50 which is £1.75 then you would do £5.00-£1.75 which is £3.25

5 0

3 years ago

Solve this inequality: j/4 – 8 < 4. A. j < –48 B. j < 48 C. j > –12 D. j < 12

Kruka [31]

$\frac{j}{4} - 8 \ \textless \ 4 \\ \\ \frac{j}{4} \ \textless \ 4 + 8 \\ \\ \frac{j}{4} \ \textless \ 12 \\ \\ j \ \textless \ 12 \times 4 \\ \\ j \ \textless \ 48 \\ \\$

The final result is: j < 48.

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How would i solve 9/10 x 8?

Alja [10]

Order of operations
Parenthases
Exponents
Multiplacation
Division
Additon
Subtraction

so go down the list start with parentheses and go down
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