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3 years ago

I need help with a math question but apparently everyone is dead today..

Mathematics

1 answer:

Gwar [14]3 years ago

8 0

The answer is D. I’m assuming this is surface area so here’s my explanation:) ok so the area of the triangle is 6 (4x3 divided by 2) and when you add the other triangle that’s 12. Ok so we have 12 so far. Then the area of the bottom rectangle is 24 (3x8). Then the area of the side rectangle is 32 (4x8). THEN the top rectangle’s area is 40 (8x5). When you add the numbers up (12+24+32+40) you get 108! And of course dont forget the cm2. ( centimeters squared ). :) I hope this helps

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RS bisects TU at Q. If TQ=5k-9 and QU=15-x

snow_lady [41]

Answer:

x = 4, TU = 22

Step-by-step explanation:

Given that TS bisects TU at Q , then

TQ = QU , substitute values

5x - 9 = 15 - x ( add x to both sides )

6x - 9 = 15 ( add 9 to both sides )

6x = 24 ( divide both sides by 6 )

x = 4

Thus

TU = 5x - 9 + 15 - x = 4x + 6 = 4(4) + 6 = 16 + 6 = 22

4 0

3 years ago

NEED HELP FAST 1. Simplify 9^2/9^7. A.9^5 B.1/9^9 C.1/9^-5 D.1/9^5

saveliy_v [14]

Subtract the exponents when the base number is the same.

2 - 7 = -5

So 9^-5 or 1/9^5.

8 0

3 years ago

PLS HELP ASAP

prohojiy [21]

Answer:

x = 8

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Geometry

All angles in a triangle add up to 180°

Step-by-step explanation:

Step 1: Set up Equation

(7x - 1) + 80 + (6x - 3) = 180

Step 2: Solve for x

Combine like terms: 13x + 76 = 180
Isolate x term: 13x = 104
Isolate x: x = 8

6 0

3 years ago

Read 2 more answers

How can you find the greatest common factor of two numbers

oksian1 [2.3K]

One way to find the GCF of a number is to list out all of the factors of each number and then find which factors they both have. The largest of the common factors is the GCF. Hope this helps!

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3 years ago

Solve the system using substitution

matrenka [14]

I could send you a link on insta

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2 years ago